145107280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58511}}^1$

素因数の和:58555

約数の個数: 40

約数和(自身を含む): 348263424

約数和(自身を除く): 203156144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 58511, 117022, 234044, 292555, 468088, 585110, 936176, 1170220, 1813841, 2340440, 3627682, 4680880, 7255364, 9069205, 14510728, 18138410, 29021456, 36276820, 72553640, 145107280]

約数ペア:

[(1, 145107280), (2, 72553640), (4, 36276820), (5, 29021456), (8, 18138410), (10, 14510728), (16, 9069205), (20, 7255364), (31, 4680880), (40, 3627682), (62, 2340440), (80, 1813841), (124, 1170220), (155, 936176), (248, 585110), (310, 468088), (496, 292555), (620, 234044), (1240, 117022), (2480, 58511)]