64103240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43313}}^1$

素因数の和:43361

約数の個数: 32

約数和(自身を含む): 148133880

約数和(自身を除く): 84030640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 43313, 86626, 173252, 216565, 346504, 433130, 866260, 1602581, 1732520, 3205162, 6410324, 8012905, 12820648, 16025810, 32051620, 64103240]

約数ペア:

[(1, 64103240), (2, 32051620), (4, 16025810), (5, 12820648), (8, 8012905), (10, 6410324), (20, 3205162), (37, 1732520), (40, 1602581), (74, 866260), (148, 433130), (185, 346504), (296, 216565), (370, 173252), (740, 86626), (1480, 43313)]