40172528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 90470400

約数和(自身を除く): 50297872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 148, 176, 199, 248, 296, 341, 398, 407, 496, 592, 682, 796, 814, 1147, 1364, 1592, 1628, 2189, 2294, 2728, 3184, 3256, 4378, 4588, 5456, 6169, 6512, 7363, 8756, 9176, 12338, 12617, 14726, 17512, 18352, 24676, 25234, 29452, 35024, 49352, 50468, 58904, 67859, 80993, 98704, 100936, 117808, 135718, 161986, 201872, 228253, 271436, 323972, 456506, 542872, 647944, 913012, 1085744, 1295888, 1826024, 2510783, 3652048, 5021566, 10043132, 20086264, 40172528]

約数ペア:

[(1, 40172528), (2, 20086264), (4, 10043132), (8, 5021566), (11, 3652048), (16, 2510783), (22, 1826024), (31, 1295888), (37, 1085744), (44, 913012), (62, 647944), (74, 542872), (88, 456506), (124, 323972), (148, 271436), (176, 228253), (199, 201872), (248, 161986), (296, 135718), (341, 117808), (398, 100936), (407, 98704), (496, 80993), (592, 67859), (682, 58904), (796, 50468), (814, 49352), (1147, 35024), (1364, 29452), (1592, 25234), (1628, 24676), (2189, 18352), (2294, 17512), (2728, 14726), (3184, 12617), (3256, 12338), (4378, 9176), (4588, 8756), (5456, 7363), (6169, 6512)]