78853045840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{37897}}^1$

素因数の和:38780

約数の個数: 80

約数和(自身を含む): 189477872640

約数和(自身を除く): 110624826800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 839, 1240, 1678, 2480, 3356, 4195, 6712, 8390, 13424, 16780, 26009, 33560, 37897, 52018, 67120, 75794, 104036, 130045, 151588, 189485, 208072, 260090, 303176, 378970, 416144, 520180, 606352, 757940, 1040360, 1174807, 1515880, 2080720, 2349614, 3031760, 4699228, 5874035, 9398456, 11748070, 18796912, 23496140, 31795583, 46992280, 63591166, 93984560, 127182332, 158977915, 254364664, 317955830, 508729328, 635911660, 985663073, 1271823320, 1971326146, 2543646640, 3942652292, 4928315365, 7885304584, 9856630730, 15770609168, 19713261460, 39426522920, 78853045840]

約数ペア:

[(1, 78853045840), (2, 39426522920), (4, 19713261460), (5, 15770609168), (8, 9856630730), (10, 7885304584), (16, 4928315365), (20, 3942652292), (31, 2543646640), (40, 1971326146), (62, 1271823320), (80, 985663073), (124, 635911660), (155, 508729328), (248, 317955830), (310, 254364664), (496, 158977915), (620, 127182332), (839, 93984560), (1240, 63591166), (1678, 46992280), (2480, 31795583), (3356, 23496140), (4195, 18796912), (6712, 11748070), (8390, 9398456), (13424, 5874035), (16780, 4699228), (26009, 3031760), (33560, 2349614), (37897, 2080720), (52018, 1515880), (67120, 1174807), (75794, 1040360), (104036, 757940), (130045, 606352), (151588, 520180), (189485, 416144), (208072, 378970), (260090, 303176)]