83939320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 196761600

約数和(自身を除く): 112822280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 487, 556, 620, 695, 974, 1112, 1240, 1390, 1948, 2435, 2780, 3896, 4309, 4870, 5560, 8618, 9740, 15097, 17236, 19480, 21545, 30194, 34472, 43090, 60388, 67693, 75485, 86180, 120776, 135386, 150970, 172360, 270772, 301940, 338465, 541544, 603880, 676930, 1353860, 2098483, 2707720, 4196966, 8393932, 10492415, 16787864, 20984830, 41969660, 83939320]

約数ペア:

[(1, 83939320), (2, 41969660), (4, 20984830), (5, 16787864), (8, 10492415), (10, 8393932), (20, 4196966), (31, 2707720), (40, 2098483), (62, 1353860), (124, 676930), (139, 603880), (155, 541544), (248, 338465), (278, 301940), (310, 270772), (487, 172360), (556, 150970), (620, 135386), (695, 120776), (974, 86180), (1112, 75485), (1240, 67693), (1390, 60388), (1948, 43090), (2435, 34472), (2780, 30194), (3896, 21545), (4309, 19480), (4870, 17236), (5560, 15097), (8618, 9740)]