25701680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 64742880

約数和(自身を除く): 39041200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 457, 592, 703, 740, 760, 914, 1406, 1480, 1520, 1828, 2285, 2812, 2960, 3515, 3656, 4570, 5624, 7030, 7312, 8683, 9140, 11248, 14060, 16909, 17366, 18280, 28120, 33818, 34732, 36560, 43415, 56240, 67636, 69464, 84545, 86830, 135272, 138928, 169090, 173660, 270544, 321271, 338180, 347320, 642542, 676360, 694640, 1285084, 1352720, 1606355, 2570168, 3212710, 5140336, 6425420, 12850840, 25701680]

約数ペア:

[(1, 25701680), (2, 12850840), (4, 6425420), (5, 5140336), (8, 3212710), (10, 2570168), (16, 1606355), (19, 1352720), (20, 1285084), (37, 694640), (38, 676360), (40, 642542), (74, 347320), (76, 338180), (80, 321271), (95, 270544), (148, 173660), (152, 169090), (185, 138928), (190, 135272), (296, 86830), (304, 84545), (370, 69464), (380, 67636), (457, 56240), (592, 43415), (703, 36560), (740, 34732), (760, 33818), (914, 28120), (1406, 18280), (1480, 17366), (1520, 16909), (1828, 14060), (2285, 11248), (2812, 9140), (2960, 8683), (3515, 7312), (3656, 7030), (4570, 5624)]