40163864

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 83052720

約数和(自身を除く): 42888856

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 169, 244, 338, 487, 488, 676, 793, 974, 1352, 1586, 1948, 3172, 3896, 6331, 6344, 10309, 12662, 20618, 25324, 29707, 41236, 50648, 59414, 82303, 82472, 118828, 164606, 237656, 329212, 386191, 658424, 772382, 1544764, 3089528, 5020483, 10040966, 20081932, 40163864]

約数ペア:

[(1, 40163864), (2, 20081932), (4, 10040966), (8, 5020483), (13, 3089528), (26, 1544764), (52, 772382), (61, 658424), (104, 386191), (122, 329212), (169, 237656), (244, 164606), (338, 118828), (487, 82472), (488, 82303), (676, 59414), (793, 50648), (974, 41236), (1352, 29707), (1586, 25324), (1948, 20618), (3172, 12662), (3896, 10309), (6331, 6344)]