27977560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 68402880

約数和(自身を除く): 40425320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 311, 346, 520, 622, 692, 865, 1244, 1384, 1555, 1730, 2249, 2488, 3110, 3460, 4043, 4498, 6220, 6920, 8086, 8996, 11245, 12440, 16172, 17992, 20215, 22490, 32344, 40430, 44980, 53803, 80860, 89960, 107606, 161720, 215212, 269015, 430424, 538030, 699439, 1076060, 1398878, 2152120, 2797756, 3497195, 5595512, 6994390, 13988780, 27977560]

約数ペア:

[(1, 27977560), (2, 13988780), (4, 6994390), (5, 5595512), (8, 3497195), (10, 2797756), (13, 2152120), (20, 1398878), (26, 1076060), (40, 699439), (52, 538030), (65, 430424), (104, 269015), (130, 215212), (173, 161720), (260, 107606), (311, 89960), (346, 80860), (520, 53803), (622, 44980), (692, 40430), (865, 32344), (1244, 22490), (1384, 20215), (1555, 17992), (1730, 16172), (2249, 12440), (2488, 11245), (3110, 8996), (3460, 8086), (4043, 6920), (4498, 6220)]