13149640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6709}}^1$

素因数の和:6734

約数の個数: 48

約数和(自身を含む): 34422300

約数和(自身を除く): 21272660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6709, 13418, 26836, 33545, 46963, 53672, 67090, 93926, 134180, 187852, 234815, 268360, 328741, 375704, 469630, 657482, 939260, 1314964, 1643705, 1878520, 2629928, 3287410, 6574820, 13149640]

約数ペア:

[(1, 13149640), (2, 6574820), (4, 3287410), (5, 2629928), (7, 1878520), (8, 1643705), (10, 1314964), (14, 939260), (20, 657482), (28, 469630), (35, 375704), (40, 328741), (49, 268360), (56, 234815), (70, 187852), (98, 134180), (140, 93926), (196, 67090), (245, 53672), (280, 46963), (392, 33545), (490, 26836), (980, 13418), (1960, 6709)]