85710040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 216086400

約数和(自身を除く): 130376360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 409, 520, 620, 676, 806, 818, 845, 1240, 1352, 1612, 1636, 1690, 2015, 2045, 3224, 3272, 3380, 4030, 4090, 5239, 5317, 6760, 8060, 8180, 10478, 10634, 12679, 16120, 16360, 20956, 21268, 25358, 26195, 26585, 41912, 42536, 50716, 52390, 53170, 63395, 69121, 101432, 104780, 106340, 126790, 138242, 164827, 209560, 212680, 253580, 276484, 329654, 345605, 507160, 552968, 659308, 691210, 824135, 1318616, 1382420, 1648270, 2142751, 2764840, 3296540, 4285502, 6593080, 8571004, 10713755, 17142008, 21427510, 42855020, 85710040]

約数ペア:

[(1, 85710040), (2, 42855020), (4, 21427510), (5, 17142008), (8, 10713755), (10, 8571004), (13, 6593080), (20, 4285502), (26, 3296540), (31, 2764840), (40, 2142751), (52, 1648270), (62, 1382420), (65, 1318616), (104, 824135), (124, 691210), (130, 659308), (155, 552968), (169, 507160), (248, 345605), (260, 329654), (310, 276484), (338, 253580), (403, 212680), (409, 209560), (520, 164827), (620, 138242), (676, 126790), (806, 106340), (818, 104780), (845, 101432), (1240, 69121), (1352, 63395), (1612, 53170), (1636, 52390), (1690, 50716), (2015, 42536), (2045, 41912), (3224, 26585), (3272, 26195), (3380, 25358), (4030, 21268), (4090, 20956), (5239, 16360), (5317, 16120), (6760, 12679), (8060, 10634), (8180, 10478)]