4282640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 10927872

約数和(自身を除く): 6645232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 67, 68, 80, 85, 94, 134, 136, 170, 188, 235, 268, 272, 335, 340, 376, 470, 536, 670, 680, 752, 799, 940, 1072, 1139, 1340, 1360, 1598, 1880, 2278, 2680, 3149, 3196, 3760, 3995, 4556, 5360, 5695, 6298, 6392, 7990, 9112, 11390, 12596, 12784, 15745, 15980, 18224, 22780, 25192, 31490, 31960, 45560, 50384, 53533, 62980, 63920, 91120, 107066, 125960, 214132, 251920, 267665, 428264, 535330, 856528, 1070660, 2141320, 4282640]

約数ペア:

[(1, 4282640), (2, 2141320), (4, 1070660), (5, 856528), (8, 535330), (10, 428264), (16, 267665), (17, 251920), (20, 214132), (34, 125960), (40, 107066), (47, 91120), (67, 63920), (68, 62980), (80, 53533), (85, 50384), (94, 45560), (134, 31960), (136, 31490), (170, 25192), (188, 22780), (235, 18224), (268, 15980), (272, 15745), (335, 12784), (340, 12596), (376, 11390), (470, 9112), (536, 7990), (670, 6392), (680, 6298), (752, 5695), (799, 5360), (940, 4556), (1072, 3995), (1139, 3760), (1340, 3196), (1360, 3149), (1598, 2680), (1880, 2278)]