1636706860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{5101}}^1$

素因数の和:5434

約数の個数: 48

約数和(自身を含む): 3507400512

約数和(自身を除く): 1870693652

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 263, 305, 526, 610, 1052, 1220, 1315, 2630, 5101, 5260, 10202, 16043, 20404, 25505, 32086, 51010, 64172, 80215, 102020, 160430, 311161, 320860, 622322, 1244644, 1341563, 1555805, 2683126, 3111610, 5366252, 6223220, 6707815, 13415630, 26831260, 81835343, 163670686, 327341372, 409176715, 818353430, 1636706860]

約数ペア:

[(1, 1636706860), (2, 818353430), (4, 409176715), (5, 327341372), (10, 163670686), (20, 81835343), (61, 26831260), (122, 13415630), (244, 6707815), (263, 6223220), (305, 5366252), (526, 3111610), (610, 2683126), (1052, 1555805), (1220, 1341563), (1315, 1244644), (2630, 622322), (5101, 320860), (5260, 311161), (10202, 160430), (16043, 102020), (20404, 80215), (25505, 64172), (32086, 51010)]