1295555980

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{58411}}^1$

素因数の和:59529

約数の個数: 24

約数和(自身を含む): 2723167440

約数和(自身を除く): 1427611460

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 11090, 22180, 58411, 116822, 233644, 292055, 584110, 1168220, 64777799, 129555598, 259111196, 323888995, 647777990, 1295555980]

約数ペア:

[(1, 1295555980), (2, 647777990), (4, 323888995), (5, 259111196), (10, 129555598), (20, 64777799), (1109, 1168220), (2218, 584110), (4436, 292055), (5545, 233644), (11090, 116822), (22180, 58411)]