2585180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 5978784

約数和(自身を除く): 3393604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 163, 244, 260, 305, 326, 610, 652, 793, 815, 1220, 1586, 1630, 2119, 3172, 3260, 3965, 4238, 7930, 8476, 9943, 10595, 15860, 19886, 21190, 39772, 42380, 49715, 99430, 129259, 198860, 258518, 517036, 646295, 1292590, 2585180]

約数ペア:

[(1, 2585180), (2, 1292590), (4, 646295), (5, 517036), (10, 258518), (13, 198860), (20, 129259), (26, 99430), (52, 49715), (61, 42380), (65, 39772), (122, 21190), (130, 19886), (163, 15860), (244, 10595), (260, 9943), (305, 8476), (326, 7930), (610, 4238), (652, 3965), (793, 3260), (815, 3172), (1220, 2119), (1586, 1630)]