55641680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 138366144

約数和(自身を除く): 82724464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 163, 170, 251, 272, 326, 340, 502, 652, 680, 815, 1004, 1255, 1304, 1360, 1630, 2008, 2510, 2608, 2771, 3260, 4016, 4267, 5020, 5542, 6520, 8534, 10040, 11084, 13040, 13855, 17068, 20080, 21335, 22168, 27710, 34136, 40913, 42670, 44336, 55420, 68272, 81826, 85340, 110840, 163652, 170680, 204565, 221680, 327304, 341360, 409130, 654608, 695521, 818260, 1391042, 1636520, 2782084, 3273040, 3477605, 5564168, 6955210, 11128336, 13910420, 27820840, 55641680]

約数ペア:

[(1, 55641680), (2, 27820840), (4, 13910420), (5, 11128336), (8, 6955210), (10, 5564168), (16, 3477605), (17, 3273040), (20, 2782084), (34, 1636520), (40, 1391042), (68, 818260), (80, 695521), (85, 654608), (136, 409130), (163, 341360), (170, 327304), (251, 221680), (272, 204565), (326, 170680), (340, 163652), (502, 110840), (652, 85340), (680, 81826), (815, 68272), (1004, 55420), (1255, 44336), (1304, 42670), (1360, 40913), (1630, 34136), (2008, 27710), (2510, 22168), (2608, 21335), (2771, 20080), (3260, 17068), (4016, 13855), (4267, 13040), (5020, 11084), (5542, 10040), (6520, 8534)]