42131120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5113}}^1$

素因数の和:5229

約数の個数: 40

約数和(自身を含む): 98925216

約数和(自身を除く): 56794096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 5113, 8240, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 204520, 409040, 526639, 1053278, 2106556, 2633195, 4213112, 5266390, 8426224, 10532780, 21065560, 42131120]

約数ペア:

[(1, 42131120), (2, 21065560), (4, 10532780), (5, 8426224), (8, 5266390), (10, 4213112), (16, 2633195), (20, 2106556), (40, 1053278), (80, 526639), (103, 409040), (206, 204520), (412, 102260), (515, 81808), (824, 51130), (1030, 40904), (1648, 25565), (2060, 20452), (4120, 10226), (5113, 8240)]