25258740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 79688448

約数和(自身を除く): 54429708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 53, 60, 65, 78, 94, 106, 130, 141, 156, 159, 169, 188, 195, 212, 235, 260, 265, 282, 318, 338, 390, 470, 507, 530, 564, 611, 636, 676, 689, 705, 780, 795, 845, 940, 1014, 1060, 1222, 1378, 1410, 1590, 1690, 1833, 2028, 2067, 2444, 2491, 2535, 2756, 2820, 3055, 3180, 3380, 3445, 3666, 4134, 4982, 5070, 6110, 6890, 7332, 7473, 7943, 8268, 8957, 9165, 9964, 10140, 10335, 12220, 12455, 13780, 14946, 15886, 17914, 18330, 20670, 23829, 24910, 26871, 29892, 31772, 32383, 35828, 36660, 37365, 39715, 41340, 44785, 47658, 49820, 53742, 64766, 74730, 79430, 89570, 95316, 97149, 107484, 119145, 129532, 134355, 149460, 158860, 161915, 179140, 194298, 238290, 268710, 323830, 388596, 420979, 476580, 485745, 537420, 647660, 841958, 971490, 1262937, 1683916, 1942980, 2104895, 2525874, 4209790, 5051748, 6314685, 8419580, 12629370, 25258740]

約数ペア:

[(1, 25258740), (2, 12629370), (3, 8419580), (4, 6314685), (5, 5051748), (6, 4209790), (10, 2525874), (12, 2104895), (13, 1942980), (15, 1683916), (20, 1262937), (26, 971490), (30, 841958), (39, 647660), (47, 537420), (52, 485745), (53, 476580), (60, 420979), (65, 388596), (78, 323830), (94, 268710), (106, 238290), (130, 194298), (141, 179140), (156, 161915), (159, 158860), (169, 149460), (188, 134355), (195, 129532), (212, 119145), (235, 107484), (260, 97149), (265, 95316), (282, 89570), (318, 79430), (338, 74730), (390, 64766), (470, 53742), (507, 49820), (530, 47658), (564, 44785), (611, 41340), (636, 39715), (676, 37365), (689, 36660), (705, 35828), (780, 32383), (795, 31772), (845, 29892), (940, 26871), (1014, 24910), (1060, 23829), (1222, 20670), (1378, 18330), (1410, 17914), (1590, 15886), (1690, 14946), (1833, 13780), (2028, 12455), (2067, 12220), (2444, 10335), (2491, 10140), (2535, 9964), (2756, 9165), (2820, 8957), (3055, 8268), (3180, 7943), (3380, 7473), (3445, 7332), (3666, 6890), (4134, 6110), (4982, 5070)]