25957980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 108

約数和(自身を含む): 83811000

約数和(自身を除く): 57853020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 499, 510, 578, 612, 765, 867, 998, 1020, 1156, 1445, 1497, 1530, 1734, 1996, 2495, 2601, 2890, 2994, 3060, 3468, 4335, 4491, 4990, 5202, 5780, 5988, 7485, 8483, 8670, 8982, 9980, 10404, 13005, 14970, 16966, 17340, 17964, 22455, 25449, 26010, 29940, 33932, 42415, 44910, 50898, 52020, 76347, 84830, 89820, 101796, 127245, 144211, 152694, 169660, 254490, 288422, 305388, 381735, 432633, 508980, 576844, 721055, 763470, 865266, 1297899, 1442110, 1526940, 1730532, 2163165, 2595798, 2884220, 4326330, 5191596, 6489495, 8652660, 12978990, 25957980]

約数ペア:

[(1, 25957980), (2, 12978990), (3, 8652660), (4, 6489495), (5, 5191596), (6, 4326330), (9, 2884220), (10, 2595798), (12, 2163165), (15, 1730532), (17, 1526940), (18, 1442110), (20, 1297899), (30, 865266), (34, 763470), (36, 721055), (45, 576844), (51, 508980), (60, 432633), (68, 381735), (85, 305388), (90, 288422), (102, 254490), (153, 169660), (170, 152694), (180, 144211), (204, 127245), (255, 101796), (289, 89820), (306, 84830), (340, 76347), (499, 52020), (510, 50898), (578, 44910), (612, 42415), (765, 33932), (867, 29940), (998, 26010), (1020, 25449), (1156, 22455), (1445, 17964), (1497, 17340), (1530, 16966), (1734, 14970), (1996, 13005), (2495, 10404), (2601, 9980), (2890, 8982), (2994, 8670), (3060, 8483), (3468, 7485), (4335, 5988), (4491, 5780), (4990, 5202)]