99901840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40283}}^1$

素因数の和:40327

約数の個数: 40

約数和(自身を含む): 239770368

約数和(自身を除く): 139868528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 40283, 80566, 161132, 201415, 322264, 402830, 644528, 805660, 1248773, 1611320, 2497546, 3222640, 4995092, 6243865, 9990184, 12487730, 19980368, 24975460, 49950920, 99901840]

約数ペア:

[(1, 99901840), (2, 49950920), (4, 24975460), (5, 19980368), (8, 12487730), (10, 9990184), (16, 6243865), (20, 4995092), (31, 3222640), (40, 2497546), (62, 1611320), (80, 1248773), (124, 805660), (155, 644528), (248, 402830), (310, 322264), (496, 201415), (620, 161132), (1240, 80566), (2480, 40283)]