56920240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 143740800

約数和(自身を除く): 86820560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 239, 260, 458, 478, 520, 916, 956, 1040, 1145, 1195, 1832, 1912, 2290, 2390, 2977, 3107, 3664, 3824, 4580, 4780, 5954, 6214, 9160, 9560, 11908, 12428, 14885, 15535, 18320, 19120, 23816, 24856, 29770, 31070, 47632, 49712, 54731, 59540, 62140, 109462, 119080, 124280, 218924, 238160, 248560, 273655, 437848, 547310, 711503, 875696, 1094620, 1423006, 2189240, 2846012, 3557515, 4378480, 5692024, 7115030, 11384048, 14230060, 28460120, 56920240]

約数ペア:

[(1, 56920240), (2, 28460120), (4, 14230060), (5, 11384048), (8, 7115030), (10, 5692024), (13, 4378480), (16, 3557515), (20, 2846012), (26, 2189240), (40, 1423006), (52, 1094620), (65, 875696), (80, 711503), (104, 547310), (130, 437848), (208, 273655), (229, 248560), (239, 238160), (260, 218924), (458, 124280), (478, 119080), (520, 109462), (916, 62140), (956, 59540), (1040, 54731), (1145, 49712), (1195, 47632), (1832, 31070), (1912, 29770), (2290, 24856), (2390, 23816), (2977, 19120), (3107, 18320), (3664, 15535), (3824, 14885), (4580, 12428), (4780, 11908), (5954, 9560), (6214, 9160)]