12216880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 32435424

約数和(自身を除く): 20218544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 691, 884, 1040, 1105, 1360, 1382, 1768, 2210, 2764, 3455, 3536, 4420, 5528, 6910, 8840, 8983, 11056, 11747, 13820, 17680, 17966, 23494, 27640, 35932, 44915, 46988, 55280, 58735, 71864, 89830, 93976, 117470, 143728, 152711, 179660, 187952, 234940, 305422, 359320, 469880, 610844, 718640, 763555, 939760, 1221688, 1527110, 2443376, 3054220, 6108440, 12216880]

約数ペア:

[(1, 12216880), (2, 6108440), (4, 3054220), (5, 2443376), (8, 1527110), (10, 1221688), (13, 939760), (16, 763555), (17, 718640), (20, 610844), (26, 469880), (34, 359320), (40, 305422), (52, 234940), (65, 187952), (68, 179660), (80, 152711), (85, 143728), (104, 117470), (130, 93976), (136, 89830), (170, 71864), (208, 58735), (221, 55280), (260, 46988), (272, 44915), (340, 35932), (442, 27640), (520, 23494), (680, 17966), (691, 17680), (884, 13820), (1040, 11747), (1105, 11056), (1360, 8983), (1382, 8840), (1768, 6910), (2210, 5528), (2764, 4420), (3455, 3536)]