28818560

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1273

約数の個数: 64

約数和(自身を含む): 70814520

約数和(自身を除く): 41995960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1217, 1480, 2368, 2434, 2960, 4736, 4868, 5920, 6085, 9736, 11840, 12170, 19472, 23680, 24340, 38944, 45029, 48680, 77888, 90058, 97360, 155776, 180116, 194720, 225145, 360232, 389440, 450290, 720464, 778880, 900580, 1440928, 1801160, 2881856, 3602320, 5763712, 7204640, 14409280, 28818560]

約数ペア:

[(1, 28818560), (2, 14409280), (4, 7204640), (5, 5763712), (8, 3602320), (10, 2881856), (16, 1801160), (20, 1440928), (32, 900580), (37, 778880), (40, 720464), (64, 450290), (74, 389440), (80, 360232), (128, 225145), (148, 194720), (160, 180116), (185, 155776), (296, 97360), (320, 90058), (370, 77888), (592, 48680), (640, 45029), (740, 38944), (1184, 24340), (1217, 23680), (1480, 19472), (2368, 12170), (2434, 11840), (2960, 9736), (4736, 6085), (4868, 5920)]