9900160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 24480000

約数和(自身を除く): 14579840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 499, 620, 640, 992, 998, 1240, 1984, 1996, 2480, 2495, 3968, 3992, 4960, 4990, 7984, 9920, 9980, 15469, 15968, 19840, 19960, 30938, 31936, 39920, 61876, 63872, 77345, 79840, 123752, 154690, 159680, 247504, 309380, 319360, 495008, 618760, 990016, 1237520, 1980032, 2475040, 4950080, 9900160]

約数ペア:

[(1, 9900160), (2, 4950080), (4, 2475040), (5, 1980032), (8, 1237520), (10, 990016), (16, 618760), (20, 495008), (31, 319360), (32, 309380), (40, 247504), (62, 159680), (64, 154690), (80, 123752), (124, 79840), (128, 77345), (155, 63872), (160, 61876), (248, 39920), (310, 31936), (320, 30938), (496, 19960), (499, 19840), (620, 15968), (640, 15469), (992, 9980), (998, 9920), (1240, 7984), (1984, 4990), (1996, 4960), (2480, 3992), (2495, 3968)]