13364720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 34069248

約数和(自身を除く): 20704528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 317, 340, 496, 527, 620, 634, 680, 1054, 1240, 1268, 1360, 1585, 2108, 2480, 2536, 2635, 3170, 4216, 5072, 5270, 5389, 6340, 8432, 9827, 10540, 10778, 12680, 19654, 21080, 21556, 25360, 26945, 39308, 42160, 43112, 49135, 53890, 78616, 86224, 98270, 107780, 157232, 167059, 196540, 215560, 334118, 393080, 431120, 668236, 786160, 835295, 1336472, 1670590, 2672944, 3341180, 6682360, 13364720]

約数ペア:

[(1, 13364720), (2, 6682360), (4, 3341180), (5, 2672944), (8, 1670590), (10, 1336472), (16, 835295), (17, 786160), (20, 668236), (31, 431120), (34, 393080), (40, 334118), (62, 215560), (68, 196540), (80, 167059), (85, 157232), (124, 107780), (136, 98270), (155, 86224), (170, 78616), (248, 53890), (272, 49135), (310, 43112), (317, 42160), (340, 39308), (496, 26945), (527, 25360), (620, 21556), (634, 21080), (680, 19654), (1054, 12680), (1240, 10778), (1268, 10540), (1360, 9827), (1585, 8432), (2108, 6340), (2480, 5389), (2536, 5270), (2635, 5072), (3170, 4216)]