129602980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{991}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 293981184

約数和(自身を除く): 164378204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 991, 1006, 1982, 2012, 2515, 3964, 4955, 5030, 6539, 9910, 10060, 12883, 13078, 19820, 25766, 26156, 32695, 51532, 64415, 65390, 128830, 130780, 257660, 498473, 996946, 1993892, 2492365, 4984730, 6480149, 9969460, 12960298, 25920596, 32400745, 64801490, 129602980]

約数ペア:

[(1, 129602980), (2, 64801490), (4, 32400745), (5, 25920596), (10, 12960298), (13, 9969460), (20, 6480149), (26, 4984730), (52, 2492365), (65, 1993892), (130, 996946), (260, 498473), (503, 257660), (991, 130780), (1006, 128830), (1982, 65390), (2012, 64415), (2515, 51532), (3964, 32695), (4955, 26156), (5030, 25766), (6539, 19820), (9910, 13078), (10060, 12883)]