8243560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12077720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 191, 260, 332, 382, 415, 520, 664, 764, 830, 955, 1079, 1528, 1660, 1910, 2158, 2483, 3320, 3820, 4316, 4966, 5395, 7640, 8632, 9932, 10790, 12415, 15853, 19864, 21580, 24830, 31706, 43160, 49660, 63412, 79265, 99320, 126824, 158530, 206089, 317060, 412178, 634120, 824356, 1030445, 1648712, 2060890, 4121780, 8243560]

約数ペア:

[(1, 8243560), (2, 4121780), (4, 2060890), (5, 1648712), (8, 1030445), (10, 824356), (13, 634120), (20, 412178), (26, 317060), (40, 206089), (52, 158530), (65, 126824), (83, 99320), (104, 79265), (130, 63412), (166, 49660), (191, 43160), (260, 31706), (332, 24830), (382, 21580), (415, 19864), (520, 15853), (664, 12415), (764, 10790), (830, 9932), (955, 8632), (1079, 7640), (1528, 5395), (1660, 4966), (1910, 4316), (2158, 3820), (2483, 3320)]