85701620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 186157440

約数和(自身を除く): 100455820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 179, 185, 358, 370, 647, 716, 740, 895, 1294, 1790, 2588, 3235, 3580, 6470, 6623, 12940, 13246, 23939, 26492, 33115, 47878, 66230, 95756, 115813, 119695, 132460, 231626, 239390, 463252, 478780, 579065, 1158130, 2316260, 4285081, 8570162, 17140324, 21425405, 42850810, 85701620]

約数ペア:

[(1, 85701620), (2, 42850810), (4, 21425405), (5, 17140324), (10, 8570162), (20, 4285081), (37, 2316260), (74, 1158130), (148, 579065), (179, 478780), (185, 463252), (358, 239390), (370, 231626), (647, 132460), (716, 119695), (740, 115813), (895, 95756), (1294, 66230), (1790, 47878), (2588, 33115), (3235, 26492), (3580, 23939), (6470, 13246), (6623, 12940)]