31535920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30323}}^1$

素因数の和:30349

約数の個数: 40

約数和(自身を含む): 78963696

約数和(自身を除く): 47427776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30323, 60646, 121292, 151615, 242584, 303230, 394199, 485168, 606460, 788398, 1212920, 1576796, 1970995, 2425840, 3153592, 3941990, 6307184, 7883980, 15767960, 31535920]

約数ペア:

[(1, 31535920), (2, 15767960), (4, 7883980), (5, 6307184), (8, 3941990), (10, 3153592), (13, 2425840), (16, 1970995), (20, 1576796), (26, 1212920), (40, 788398), (52, 606460), (65, 485168), (80, 394199), (104, 303230), (130, 242584), (208, 151615), (260, 121292), (520, 60646), (1040, 30323)]