65999180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 149921184

約数和(自身を除く): 83922004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 811, 1252, 1565, 1622, 3130, 3244, 4055, 4069, 6260, 8110, 8138, 10543, 16220, 16276, 20345, 21086, 40690, 42172, 52715, 81380, 105430, 210860, 253843, 507686, 1015372, 1269215, 2538430, 3299959, 5076860, 6599918, 13199836, 16499795, 32999590, 65999180]

約数ペア:

[(1, 65999180), (2, 32999590), (4, 16499795), (5, 13199836), (10, 6599918), (13, 5076860), (20, 3299959), (26, 2538430), (52, 1269215), (65, 1015372), (130, 507686), (260, 253843), (313, 210860), (626, 105430), (811, 81380), (1252, 52715), (1565, 42172), (1622, 40690), (3130, 21086), (3244, 20345), (4055, 16276), (4069, 16220), (6260, 10543), (8110, 8138)]