20162287120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{147299}}^1$

素因数の和:147400

約数の個数: 80

約数和(自身を含む): 49316040000

約数和(自身を除く): 29153752880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 232, 236, 290, 295, 464, 472, 580, 590, 944, 1160, 1180, 1711, 2320, 2360, 3422, 4720, 6844, 8555, 13688, 17110, 27376, 34220, 68440, 136880, 147299, 294598, 589196, 736495, 1178392, 1472990, 2356784, 2945980, 4271671, 5891960, 8543342, 8690641, 11783920, 17086684, 17381282, 21358355, 34173368, 34762564, 42716710, 43453205, 68346736, 69525128, 85433420, 86906410, 139050256, 170866840, 173812820, 252028589, 341733680, 347625640, 504057178, 695251280, 1008114356, 1260142945, 2016228712, 2520285890, 4032457424, 5040571780, 10081143560, 20162287120]

約数ペア:

[(1, 20162287120), (2, 10081143560), (4, 5040571780), (5, 4032457424), (8, 2520285890), (10, 2016228712), (16, 1260142945), (20, 1008114356), (29, 695251280), (40, 504057178), (58, 347625640), (59, 341733680), (80, 252028589), (116, 173812820), (118, 170866840), (145, 139050256), (232, 86906410), (236, 85433420), (290, 69525128), (295, 68346736), (464, 43453205), (472, 42716710), (580, 34762564), (590, 34173368), (944, 21358355), (1160, 17381282), (1180, 17086684), (1711, 11783920), (2320, 8690641), (2360, 8543342), (3422, 5891960), (4720, 4271671), (6844, 2945980), (8555, 2356784), (13688, 1472990), (17110, 1178392), (27376, 736495), (34220, 589196), (68440, 294598), (136880, 147299)]