12687400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 33033600

約数和(自身を除く): 20346200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 73, 79, 88, 100, 110, 146, 158, 200, 220, 275, 292, 316, 365, 395, 440, 550, 584, 632, 730, 790, 803, 869, 1100, 1460, 1580, 1606, 1738, 1825, 1975, 2200, 2920, 3160, 3212, 3476, 3650, 3950, 4015, 4345, 5767, 6424, 6952, 7300, 7900, 8030, 8690, 11534, 14600, 15800, 16060, 17380, 20075, 21725, 23068, 28835, 32120, 34760, 40150, 43450, 46136, 57670, 63437, 80300, 86900, 115340, 126874, 144175, 160600, 173800, 230680, 253748, 288350, 317185, 507496, 576700, 634370, 1153400, 1268740, 1585925, 2537480, 3171850, 6343700, 12687400]

約数ペア:

[(1, 12687400), (2, 6343700), (4, 3171850), (5, 2537480), (8, 1585925), (10, 1268740), (11, 1153400), (20, 634370), (22, 576700), (25, 507496), (40, 317185), (44, 288350), (50, 253748), (55, 230680), (73, 173800), (79, 160600), (88, 144175), (100, 126874), (110, 115340), (146, 86900), (158, 80300), (200, 63437), (220, 57670), (275, 46136), (292, 43450), (316, 40150), (365, 34760), (395, 32120), (440, 28835), (550, 23068), (584, 21725), (632, 20075), (730, 17380), (790, 16060), (803, 15800), (869, 14600), (1100, 11534), (1460, 8690), (1580, 8030), (1606, 7900), (1738, 7300), (1825, 6952), (1975, 6424), (2200, 5767), (2920, 4345), (3160, 4015), (3212, 3950), (3476, 3650)]