78204880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2593}}^1$

素因数の和:2648

約数の個数: 80

約数和(自身を含む): 202643280

約数和(自身を除く): 124438400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 2593, 3016, 3770, 5186, 6032, 7540, 10372, 12965, 15080, 20744, 25930, 30160, 33709, 41488, 51860, 67418, 75197, 103720, 134836, 150394, 168545, 207440, 269672, 300788, 337090, 375985, 539344, 601576, 674180, 751970, 977561, 1203152, 1348360, 1503940, 1955122, 2696720, 3007880, 3910244, 4887805, 6015760, 7820488, 9775610, 15640976, 19551220, 39102440, 78204880]

約数ペア:

[(1, 78204880), (2, 39102440), (4, 19551220), (5, 15640976), (8, 9775610), (10, 7820488), (13, 6015760), (16, 4887805), (20, 3910244), (26, 3007880), (29, 2696720), (40, 1955122), (52, 1503940), (58, 1348360), (65, 1203152), (80, 977561), (104, 751970), (116, 674180), (130, 601576), (145, 539344), (208, 375985), (232, 337090), (260, 300788), (290, 269672), (377, 207440), (464, 168545), (520, 150394), (580, 134836), (754, 103720), (1040, 75197), (1160, 67418), (1508, 51860), (1885, 41488), (2320, 33709), (2593, 30160), (3016, 25930), (3770, 20744), (5186, 15080), (6032, 12965), (7540, 10372)]