12798760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 31409280

約数和(自身を除く): 18610520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 163, 260, 302, 326, 520, 604, 652, 755, 815, 1208, 1304, 1510, 1630, 1963, 2119, 3020, 3260, 3926, 4238, 6040, 6520, 7852, 8476, 9815, 10595, 15704, 16952, 19630, 21190, 24613, 39260, 42380, 49226, 78520, 84760, 98452, 123065, 196904, 246130, 319969, 492260, 639938, 984520, 1279876, 1599845, 2559752, 3199690, 6399380, 12798760]

約数ペア:

[(1, 12798760), (2, 6399380), (4, 3199690), (5, 2559752), (8, 1599845), (10, 1279876), (13, 984520), (20, 639938), (26, 492260), (40, 319969), (52, 246130), (65, 196904), (104, 123065), (130, 98452), (151, 84760), (163, 78520), (260, 49226), (302, 42380), (326, 39260), (520, 24613), (604, 21190), (652, 19630), (755, 16952), (815, 15704), (1208, 10595), (1304, 9815), (1510, 8476), (1630, 7852), (1963, 6520), (2119, 6040), (3020, 4238), (3260, 3926)]