76821940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15551}}^1$

素因数の和:15592

約数の個数: 48

約数和(自身を含む): 182891520

約数和(自身を除く): 106069580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15551, 31102, 62204, 77755, 155510, 202163, 295469, 311020, 404326, 590938, 808652, 1010815, 1181876, 1477345, 2021630, 2954690, 3841097, 4043260, 5909380, 7682194, 15364388, 19205485, 38410970, 76821940]

約数ペア:

[(1, 76821940), (2, 38410970), (4, 19205485), (5, 15364388), (10, 7682194), (13, 5909380), (19, 4043260), (20, 3841097), (26, 2954690), (38, 2021630), (52, 1477345), (65, 1181876), (76, 1010815), (95, 808652), (130, 590938), (190, 404326), (247, 311020), (260, 295469), (380, 202163), (494, 155510), (988, 77755), (1235, 62204), (2470, 31102), (4940, 15551)]