12973480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 32029200

約数和(自身を除く): 19055720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 409, 488, 520, 610, 793, 818, 1220, 1586, 1636, 2045, 2440, 3172, 3272, 3965, 4090, 5317, 6344, 7930, 8180, 10634, 15860, 16360, 21268, 24949, 26585, 31720, 42536, 49898, 53170, 99796, 106340, 124745, 199592, 212680, 249490, 324337, 498980, 648674, 997960, 1297348, 1621685, 2594696, 3243370, 6486740, 12973480]

約数ペア:

[(1, 12973480), (2, 6486740), (4, 3243370), (5, 2594696), (8, 1621685), (10, 1297348), (13, 997960), (20, 648674), (26, 498980), (40, 324337), (52, 249490), (61, 212680), (65, 199592), (104, 124745), (122, 106340), (130, 99796), (244, 53170), (260, 49898), (305, 42536), (409, 31720), (488, 26585), (520, 24949), (610, 21268), (793, 16360), (818, 15860), (1220, 10634), (1586, 8180), (1636, 7930), (2045, 6344), (2440, 5317), (3172, 4090), (3272, 3965)]