401028550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47459}}^1$

素因数の和:47497

約数の個数: 36

約数和(自身を含む): 807721740

約数和(自身を除く): 406693190

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 47459, 94918, 237295, 474590, 616967, 1186475, 1233934, 2372950, 3084835, 6169670, 8020571, 15424175, 16041142, 30848350, 40102855, 80205710, 200514275, 401028550]

約数ペア:

[(1, 401028550), (2, 200514275), (5, 80205710), (10, 40102855), (13, 30848350), (25, 16041142), (26, 15424175), (50, 8020571), (65, 6169670), (130, 3084835), (169, 2372950), (325, 1233934), (338, 1186475), (650, 616967), (845, 474590), (1690, 237295), (4225, 94918), (8450, 47459)]