12450880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 33156144

約数和(自身を除く): 20705264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 73, 80, 82, 104, 130, 146, 160, 164, 205, 208, 260, 292, 320, 328, 365, 410, 416, 520, 533, 584, 656, 730, 820, 832, 949, 1040, 1066, 1168, 1312, 1460, 1640, 1898, 2080, 2132, 2336, 2624, 2665, 2920, 2993, 3280, 3796, 4160, 4264, 4672, 4745, 5330, 5840, 5986, 6560, 7592, 8528, 9490, 10660, 11680, 11972, 13120, 14965, 15184, 17056, 18980, 21320, 23360, 23944, 29930, 30368, 34112, 37960, 38909, 42640, 47888, 59860, 60736, 75920, 77818, 85280, 95776, 119720, 151840, 155636, 170560, 191552, 194545, 239440, 303680, 311272, 389090, 478880, 622544, 778180, 957760, 1245088, 1556360, 2490176, 3112720, 6225440, 12450880]

約数ペア:

[(1, 12450880), (2, 6225440), (4, 3112720), (5, 2490176), (8, 1556360), (10, 1245088), (13, 957760), (16, 778180), (20, 622544), (26, 478880), (32, 389090), (40, 311272), (41, 303680), (52, 239440), (64, 194545), (65, 191552), (73, 170560), (80, 155636), (82, 151840), (104, 119720), (130, 95776), (146, 85280), (160, 77818), (164, 75920), (205, 60736), (208, 59860), (260, 47888), (292, 42640), (320, 38909), (328, 37960), (365, 34112), (410, 30368), (416, 29930), (520, 23944), (533, 23360), (584, 21320), (656, 18980), (730, 17056), (820, 15184), (832, 14965), (949, 13120), (1040, 11972), (1066, 11680), (1168, 10660), (1312, 9490), (1460, 8528), (1640, 7592), (1898, 6560), (2080, 5986), (2132, 5840), (2336, 5330), (2624, 4745), (2665, 4672), (2920, 4264), (2993, 4160), (3280, 3796)]