71048440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 170566560

約数和(自身を除く): 99518120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 641, 652, 680, 815, 1282, 1304, 1630, 2564, 2771, 3205, 3260, 5128, 5542, 6410, 6520, 10897, 11084, 12820, 13855, 21794, 22168, 25640, 27710, 43588, 54485, 55420, 87176, 104483, 108970, 110840, 208966, 217940, 417932, 435880, 522415, 835864, 1044830, 1776211, 2089660, 3552422, 4179320, 7104844, 8881055, 14209688, 17762110, 35524220, 71048440]

約数ペア:

[(1, 71048440), (2, 35524220), (4, 17762110), (5, 14209688), (8, 8881055), (10, 7104844), (17, 4179320), (20, 3552422), (34, 2089660), (40, 1776211), (68, 1044830), (85, 835864), (136, 522415), (163, 435880), (170, 417932), (326, 217940), (340, 208966), (641, 110840), (652, 108970), (680, 104483), (815, 87176), (1282, 55420), (1304, 54485), (1630, 43588), (2564, 27710), (2771, 25640), (3205, 22168), (3260, 21794), (5128, 13855), (5542, 12820), (6410, 11084), (6520, 10897)]