39750490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 79424928

約数和(自身を除く): 39674438

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 547, 559, 845, 1094, 1118, 1690, 2735, 2795, 5470, 5590, 7111, 7267, 14222, 14534, 23521, 35555, 36335, 47042, 71110, 72670, 92443, 117605, 184886, 235210, 305773, 462215, 611546, 924430, 1528865, 3057730, 3975049, 7950098, 19875245, 39750490]

約数ペア:

[(1, 39750490), (2, 19875245), (5, 7950098), (10, 3975049), (13, 3057730), (26, 1528865), (43, 924430), (65, 611546), (86, 462215), (130, 305773), (169, 235210), (215, 184886), (338, 117605), (430, 92443), (547, 72670), (559, 71110), (845, 47042), (1094, 36335), (1118, 35555), (1690, 23521), (2735, 14534), (2795, 14222), (5470, 7267), (5590, 7111)]