261640480

素因数分解:

$2^5\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3251}}^1$

素因数の和:3769

約数の個数: 48

約数和(自身を含む): 619545024

約数和(自身を除く): 357904544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503, 1006, 2012, 2515, 3251, 4024, 5030, 6502, 8048, 10060, 13004, 16096, 16255, 20120, 26008, 32510, 40240, 52016, 65020, 80480, 104032, 130040, 260080, 520160, 1635253, 3270506, 6541012, 8176265, 13082024, 16352530, 26164048, 32705060, 52328096, 65410120, 130820240, 261640480]

約数ペア:

[(1, 261640480), (2, 130820240), (4, 65410120), (5, 52328096), (8, 32705060), (10, 26164048), (16, 16352530), (20, 13082024), (32, 8176265), (40, 6541012), (80, 3270506), (160, 1635253), (503, 520160), (1006, 260080), (2012, 130040), (2515, 104032), (3251, 80480), (4024, 65020), (5030, 52016), (6502, 40240), (8048, 32510), (10060, 26008), (13004, 20120), (16096, 16255)]