22085020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 26298980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 199, 310, 358, 398, 620, 716, 796, 895, 995, 1790, 1990, 3580, 3980, 5549, 6169, 11098, 12338, 22196, 24676, 27745, 30845, 35621, 55490, 61690, 71242, 110980, 123380, 142484, 178105, 356210, 712420, 1104251, 2208502, 4417004, 5521255, 11042510, 22085020]

約数ペア:

[(1, 22085020), (2, 11042510), (4, 5521255), (5, 4417004), (10, 2208502), (20, 1104251), (31, 712420), (62, 356210), (124, 178105), (155, 142484), (179, 123380), (199, 110980), (310, 71242), (358, 61690), (398, 55490), (620, 35621), (716, 30845), (796, 27745), (895, 24676), (995, 22196), (1790, 12338), (1990, 11098), (3580, 6169), (3980, 5549)]