129898240

素因数分解:

$2^8\times 5^1\times {\mathrm{101483}}^1$

素因数の和:101504

約数の個数: 36

約数和(自身を含む): 311149944

約数和(自身を除く): 181251704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101483, 202966, 405932, 507415, 811864, 1014830, 1623728, 2029660, 3247456, 4059320, 6494912, 8118640, 12989824, 16237280, 25979648, 32474560, 64949120, 129898240]

約数ペア:

[(1, 129898240), (2, 64949120), (4, 32474560), (5, 25979648), (8, 16237280), (10, 12989824), (16, 8118640), (20, 6494912), (32, 4059320), (40, 3247456), (64, 2029660), (80, 1623728), (128, 1014830), (160, 811864), (256, 507415), (320, 405932), (640, 202966), (1280, 101483)]