91616840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{327203}}^1$

素因数の和:327221

約数の個数: 32

約数和(自身を含む): 235586880

約数和(自身を除く): 143970040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 327203, 654406, 1308812, 1636015, 2290421, 2617624, 3272030, 4580842, 6544060, 9161684, 11452105, 13088120, 18323368, 22904210, 45808420, 91616840]

約数ペア:

[(1, 91616840), (2, 45808420), (4, 22904210), (5, 18323368), (7, 13088120), (8, 11452105), (10, 9161684), (14, 6544060), (20, 4580842), (28, 3272030), (35, 2617624), (40, 2290421), (56, 1636015), (70, 1308812), (140, 654406), (280, 327203)]