8919991580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{16097}}^1$

素因数の和:16478

約数の個数: 48

約数和(自身を含む): 18985337280

約数和(自身を除く): 10065345700

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 269, 412, 515, 538, 1030, 1076, 1345, 2060, 2690, 5380, 16097, 27707, 32194, 55414, 64388, 80485, 110828, 138535, 160970, 277070, 321940, 554140, 1657991, 3315982, 4330093, 6631964, 8289955, 8660186, 16579910, 17320372, 21650465, 33159820, 43300930, 86601860, 445999579, 891999158, 1783998316, 2229997895, 4459995790, 8919991580]

約数ペア:

[(1, 8919991580), (2, 4459995790), (4, 2229997895), (5, 1783998316), (10, 891999158), (20, 445999579), (103, 86601860), (206, 43300930), (269, 33159820), (412, 21650465), (515, 17320372), (538, 16579910), (1030, 8660186), (1076, 8289955), (1345, 6631964), (2060, 4330093), (2690, 3315982), (5380, 1657991), (16097, 554140), (27707, 321940), (32194, 277070), (55414, 160970), (64388, 138535), (80485, 110828)]