8157280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3031

約数の個数: 48

約数和(自身を含む): 20412000

約数和(自身を除く): 12254720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 2999, 5998, 11996, 14995, 23992, 29990, 47984, 50983, 59980, 95968, 101966, 119960, 203932, 239920, 254915, 407864, 479840, 509830, 815728, 1019660, 1631456, 2039320, 4078640, 8157280]

約数ペア:

[(1, 8157280), (2, 4078640), (4, 2039320), (5, 1631456), (8, 1019660), (10, 815728), (16, 509830), (17, 479840), (20, 407864), (32, 254915), (34, 239920), (40, 203932), (68, 119960), (80, 101966), (85, 95968), (136, 59980), (160, 50983), (170, 47984), (272, 29990), (340, 23992), (544, 14995), (680, 11996), (1360, 5998), (2720, 2999)]