27399920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20177

約数の個数: 40

約数和(自身を含む): 67455504

約数和(自身を除く): 40055584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20147, 40294, 80588, 100735, 161176, 201470, 322352, 342499, 402940, 684998, 805880, 1369996, 1611760, 1712495, 2739992, 3424990, 5479984, 6849980, 13699960, 27399920]

約数ペア:

[(1, 27399920), (2, 13699960), (4, 6849980), (5, 5479984), (8, 3424990), (10, 2739992), (16, 1712495), (17, 1611760), (20, 1369996), (34, 805880), (40, 684998), (68, 402940), (80, 342499), (85, 322352), (136, 201470), (170, 161176), (272, 100735), (340, 80588), (680, 40294), (1360, 20147)]