88047440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2788

約数の個数: 80

約数和(自身を含む): 227652096

約数和(自身を除く): 139604656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2731, 3224, 4030, 5462, 6448, 8060, 10924, 13655, 16120, 21848, 27310, 32240, 35503, 43696, 54620, 71006, 84661, 109240, 142012, 169322, 177515, 218480, 284024, 338644, 355030, 423305, 568048, 677288, 710060, 846610, 1100593, 1354576, 1420120, 1693220, 2201186, 2840240, 3386440, 4402372, 5502965, 6772880, 8804744, 11005930, 17609488, 22011860, 44023720, 88047440]

約数ペア:

[(1, 88047440), (2, 44023720), (4, 22011860), (5, 17609488), (8, 11005930), (10, 8804744), (13, 6772880), (16, 5502965), (20, 4402372), (26, 3386440), (31, 2840240), (40, 2201186), (52, 1693220), (62, 1420120), (65, 1354576), (80, 1100593), (104, 846610), (124, 710060), (130, 677288), (155, 568048), (208, 423305), (248, 355030), (260, 338644), (310, 284024), (403, 218480), (496, 177515), (520, 169322), (620, 142012), (806, 109240), (1040, 84661), (1240, 71006), (1612, 54620), (2015, 43696), (2480, 35503), (2731, 32240), (3224, 27310), (4030, 21848), (5462, 16120), (6448, 13655), (8060, 10924)]