127181840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51283}}^1$

素因数の和:51327

約数の個数: 40

約数和(自身を含む): 305242368

約数和(自身を除く): 178060528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51283, 102566, 205132, 256415, 410264, 512830, 820528, 1025660, 1589773, 2051320, 3179546, 4102640, 6359092, 7948865, 12718184, 15897730, 25436368, 31795460, 63590920, 127181840]

約数ペア:

[(1, 127181840), (2, 63590920), (4, 31795460), (5, 25436368), (8, 15897730), (10, 12718184), (16, 7948865), (20, 6359092), (31, 4102640), (40, 3179546), (62, 2051320), (80, 1589773), (124, 1025660), (155, 820528), (248, 512830), (310, 410264), (496, 256415), (620, 205132), (1240, 102566), (2480, 51283)]