39237640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 96712560

約数和(自身を除く): 57474920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1237, 1586, 2440, 2474, 3172, 3965, 4948, 6185, 6344, 7930, 9896, 12370, 15860, 16081, 24740, 31720, 32162, 49480, 64324, 75457, 80405, 128648, 150914, 160810, 301828, 321620, 377285, 603656, 643240, 754570, 980941, 1509140, 1961882, 3018280, 3923764, 4904705, 7847528, 9809410, 19618820, 39237640]

約数ペア:

[(1, 39237640), (2, 19618820), (4, 9809410), (5, 7847528), (8, 4904705), (10, 3923764), (13, 3018280), (20, 1961882), (26, 1509140), (40, 980941), (52, 754570), (61, 643240), (65, 603656), (104, 377285), (122, 321620), (130, 301828), (244, 160810), (260, 150914), (305, 128648), (488, 80405), (520, 75457), (610, 64324), (793, 49480), (1220, 32162), (1237, 31720), (1586, 24740), (2440, 16081), (2474, 15860), (3172, 12370), (3965, 9896), (4948, 7930), (6185, 6344)]