40296490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{773}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 78409296

約数和(自身を除く): 38112806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 773, 802, 1546, 2005, 3865, 4010, 5213, 7730, 10049, 10426, 20098, 26065, 50245, 52130, 100490, 309973, 619946, 1549865, 3099730, 4029649, 8059298, 20148245, 40296490]

約数ペア:

[(1, 40296490), (2, 20148245), (5, 8059298), (10, 4029649), (13, 3099730), (26, 1549865), (65, 619946), (130, 309973), (401, 100490), (773, 52130), (802, 50245), (1546, 26065), (2005, 20098), (3865, 10426), (4010, 10049), (5213, 7730)]