64344580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{599}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 75364220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 599, 655, 820, 1198, 1310, 2396, 2620, 2995, 5371, 5990, 10742, 11980, 21484, 24559, 26855, 49118, 53710, 78469, 98236, 107420, 122795, 156938, 245590, 313876, 392345, 491180, 784690, 1569380, 3217229, 6434458, 12868916, 16086145, 32172290, 64344580]

約数ペア:

[(1, 64344580), (2, 32172290), (4, 16086145), (5, 12868916), (10, 6434458), (20, 3217229), (41, 1569380), (82, 784690), (131, 491180), (164, 392345), (205, 313876), (262, 245590), (410, 156938), (524, 122795), (599, 107420), (655, 98236), (820, 78469), (1198, 53710), (1310, 49118), (2396, 26855), (2620, 24559), (2995, 21484), (5371, 11980), (5990, 10742)]