2013348320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{405917}}^1$

素因数の和:405963

約数の個数: 48

約数和(自身を含む): 4909984128

約数和(自身を除く): 2896635808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 405917, 811834, 1623668, 2029585, 3247336, 4059170, 6494672, 8118340, 12583427, 12989344, 16236680, 25166854, 32473360, 50333708, 62917135, 64946720, 100667416, 125834270, 201334832, 251668540, 402669664, 503337080, 1006674160, 2013348320]

約数ペア:

[(1, 2013348320), (2, 1006674160), (4, 503337080), (5, 402669664), (8, 251668540), (10, 201334832), (16, 125834270), (20, 100667416), (31, 64946720), (32, 62917135), (40, 50333708), (62, 32473360), (80, 25166854), (124, 16236680), (155, 12989344), (160, 12583427), (248, 8118340), (310, 6494672), (496, 4059170), (620, 3247336), (992, 2029585), (1240, 1623668), (2480, 811834), (4960, 405917)]