28439680

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 69884280

約数和(自身を除く): 41444600

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, 1201, 1480, 2368, 2402, 2960, 4736, 4804, 5920, 6005, 9608, 11840, 12010, 19216, 23680, 24020, 38432, 44437, 48040, 76864, 88874, 96080, 153728, 177748, 192160, 222185, 355496, 384320, 444370, 710992, 768640, 888740, 1421984, 1777480, 2843968, 3554960, 5687936, 7109920, 14219840, 28439680]

約数ペア:

[(1, 28439680), (2, 14219840), (4, 7109920), (5, 5687936), (8, 3554960), (10, 2843968), (16, 1777480), (20, 1421984), (32, 888740), (37, 768640), (40, 710992), (64, 444370), (74, 384320), (80, 355496), (128, 222185), (148, 192160), (160, 177748), (185, 153728), (296, 96080), (320, 88874), (370, 76864), (592, 48040), (640, 44437), (740, 38432), (1184, 24020), (1201, 23680), (1480, 19216), (2368, 12010), (2402, 11840), (2960, 9608), (4736, 6005), (4804, 5920)]