11321980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 25127424

約数和(自身を除く): 13805444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 151, 163, 230, 302, 326, 460, 604, 652, 755, 815, 1510, 1630, 3020, 3260, 3473, 3749, 6946, 7498, 13892, 14996, 17365, 18745, 24613, 34730, 37490, 49226, 69460, 74980, 98452, 123065, 246130, 492260, 566099, 1132198, 2264396, 2830495, 5660990, 11321980]

約数ペア:

[(1, 11321980), (2, 5660990), (4, 2830495), (5, 2264396), (10, 1132198), (20, 566099), (23, 492260), (46, 246130), (92, 123065), (115, 98452), (151, 74980), (163, 69460), (230, 49226), (302, 37490), (326, 34730), (460, 24613), (604, 18745), (652, 17365), (755, 14996), (815, 13892), (1510, 7498), (1630, 6946), (3020, 3749), (3260, 3473)]