42681340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 97302240

約数和(自身を除く): 54620900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1181, 1390, 1807, 2362, 2780, 3614, 4724, 5905, 7228, 9035, 11810, 15353, 18070, 23620, 30706, 36140, 61412, 76765, 153530, 164159, 307060, 328318, 656636, 820795, 1641590, 2134067, 3283180, 4268134, 8536268, 10670335, 21340670, 42681340]

約数ペア:

[(1, 42681340), (2, 21340670), (4, 10670335), (5, 8536268), (10, 4268134), (13, 3283180), (20, 2134067), (26, 1641590), (52, 820795), (65, 656636), (130, 328318), (139, 307060), (260, 164159), (278, 153530), (556, 76765), (695, 61412), (1181, 36140), (1390, 30706), (1807, 23620), (2362, 18070), (2780, 15353), (3614, 11810), (4724, 9035), (5905, 7228)]