12426920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 31069440

約数和(自身を除く): 18642520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 463, 488, 610, 671, 926, 1220, 1342, 1852, 2315, 2440, 2684, 3355, 3704, 4630, 5093, 5368, 6710, 9260, 10186, 13420, 18520, 20372, 25465, 26840, 28243, 40744, 50930, 56486, 101860, 112972, 141215, 203720, 225944, 282430, 310673, 564860, 621346, 1129720, 1242692, 1553365, 2485384, 3106730, 6213460, 12426920]

約数ペア:

[(1, 12426920), (2, 6213460), (4, 3106730), (5, 2485384), (8, 1553365), (10, 1242692), (11, 1129720), (20, 621346), (22, 564860), (40, 310673), (44, 282430), (55, 225944), (61, 203720), (88, 141215), (110, 112972), (122, 101860), (220, 56486), (244, 50930), (305, 40744), (440, 28243), (463, 26840), (488, 25465), (610, 20372), (671, 18520), (926, 13420), (1220, 10186), (1342, 9260), (1852, 6710), (2315, 5368), (2440, 5093), (2684, 4630), (3355, 3704)]