40287890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 74093616

約数和(自身を除く): 33805726

約数列:

[1, 2, 5, 10, 101, 113, 202, 226, 353, 505, 565, 706, 1010, 1130, 1765, 3530, 11413, 22826, 35653, 39889, 57065, 71306, 79778, 114130, 178265, 199445, 356530, 398890, 4028789, 8057578, 20143945, 40287890]

約数ペア:

[(1, 40287890), (2, 20143945), (5, 8057578), (10, 4028789), (101, 398890), (113, 356530), (202, 199445), (226, 178265), (353, 114130), (505, 79778), (565, 71306), (706, 57065), (1010, 39889), (1130, 35653), (1765, 22826), (3530, 11413)]