47747440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 123492096

約数和(自身を除く): 75744656

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, 1481, 1612, 2015, 2480, 2962, 3224, 4030, 5924, 6448, 7405, 8060, 11848, 14810, 16120, 19253, 23696, 29620, 32240, 38506, 45911, 59240, 77012, 91822, 96265, 118480, 154024, 183644, 192530, 229555, 308048, 367288, 385060, 459110, 596843, 734576, 770120, 918220, 1193686, 1540240, 1836440, 2387372, 2984215, 3672880, 4774744, 5968430, 9549488, 11936860, 23873720, 47747440]

約数ペア:

[(1, 47747440), (2, 23873720), (4, 11936860), (5, 9549488), (8, 5968430), (10, 4774744), (13, 3672880), (16, 2984215), (20, 2387372), (26, 1836440), (31, 1540240), (40, 1193686), (52, 918220), (62, 770120), (65, 734576), (80, 596843), (104, 459110), (124, 385060), (130, 367288), (155, 308048), (208, 229555), (248, 192530), (260, 183644), (310, 154024), (403, 118480), (496, 96265), (520, 91822), (620, 77012), (806, 59240), (1040, 45911), (1240, 38506), (1481, 32240), (1612, 29620), (2015, 23696), (2480, 19253), (2962, 16120), (3224, 14810), (4030, 11848), (5924, 8060), (6448, 7405)]