2805496720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{11287}}^1$

素因数の和:11552

約数の個数: 80

約数和(自身を含む): 7054548480

約数和(自身を除く): 4249051760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 478, 520, 956, 1040, 1195, 1912, 2390, 3107, 3824, 4780, 6214, 9560, 11287, 12428, 15535, 19120, 22574, 24856, 31070, 45148, 49712, 56435, 62140, 90296, 112870, 124280, 146731, 180592, 225740, 248560, 293462, 451480, 586924, 733655, 902960, 1173848, 1467310, 2347696, 2697593, 2934620, 5395186, 5869240, 10790372, 11738480, 13487965, 21580744, 26975930, 35068709, 43161488, 53951860, 70137418, 107903720, 140274836, 175343545, 215807440, 280549672, 350687090, 561099344, 701374180, 1402748360, 2805496720]

約数ペア:

[(1, 2805496720), (2, 1402748360), (4, 701374180), (5, 561099344), (8, 350687090), (10, 280549672), (13, 215807440), (16, 175343545), (20, 140274836), (26, 107903720), (40, 70137418), (52, 53951860), (65, 43161488), (80, 35068709), (104, 26975930), (130, 21580744), (208, 13487965), (239, 11738480), (260, 10790372), (478, 5869240), (520, 5395186), (956, 2934620), (1040, 2697593), (1195, 2347696), (1912, 1467310), (2390, 1173848), (3107, 902960), (3824, 733655), (4780, 586924), (6214, 451480), (9560, 293462), (11287, 248560), (12428, 225740), (15535, 180592), (19120, 146731), (22574, 124280), (24856, 112870), (31070, 90296), (45148, 62140), (49712, 56435)]