8427040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1745

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 12136160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1699, 2480, 3398, 4960, 6796, 8495, 13592, 16990, 27184, 33980, 52669, 54368, 67960, 105338, 135920, 210676, 263345, 271840, 421352, 526690, 842704, 1053380, 1685408, 2106760, 4213520, 8427040]

約数ペア:

[(1, 8427040), (2, 4213520), (4, 2106760), (5, 1685408), (8, 1053380), (10, 842704), (16, 526690), (20, 421352), (31, 271840), (32, 263345), (40, 210676), (62, 135920), (80, 105338), (124, 67960), (155, 54368), (160, 52669), (248, 33980), (310, 27184), (496, 16990), (620, 13592), (992, 8495), (1240, 6796), (1699, 4960), (2480, 3398)]