61939420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 134120448

約数和(自身を除く): 72181028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 503, 524, 655, 940, 1006, 1310, 2012, 2515, 2620, 5030, 6157, 10060, 12314, 23641, 24628, 30785, 47282, 61570, 65893, 94564, 118205, 123140, 131786, 236410, 263572, 329465, 472820, 658930, 1317860, 3096971, 6193942, 12387884, 15484855, 30969710, 61939420]

約数ペア:

[(1, 61939420), (2, 30969710), (4, 15484855), (5, 12387884), (10, 6193942), (20, 3096971), (47, 1317860), (94, 658930), (131, 472820), (188, 329465), (235, 263572), (262, 236410), (470, 131786), (503, 123140), (524, 118205), (655, 94564), (940, 65893), (1006, 61570), (1310, 47282), (2012, 30785), (2515, 24628), (2620, 23641), (5030, 12314), (6157, 10060)]