2019435920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1847}}^1$

素因数の和:2112

約数の個数: 80

約数和(自身を含む): 4784693760

約数和(自身を除く): 2765257840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 173, 316, 346, 395, 632, 692, 790, 865, 1264, 1384, 1580, 1730, 1847, 2768, 3160, 3460, 3694, 6320, 6920, 7388, 9235, 13667, 13840, 14776, 18470, 27334, 29552, 36940, 54668, 68335, 73880, 109336, 136670, 145913, 147760, 218672, 273340, 291826, 319531, 546680, 583652, 639062, 729565, 1093360, 1167304, 1278124, 1459130, 1597655, 2334608, 2556248, 2918260, 3195310, 5112496, 5836520, 6390620, 11673040, 12781240, 25242949, 25562480, 50485898, 100971796, 126214745, 201943592, 252429490, 403887184, 504858980, 1009717960, 2019435920]

約数ペア:

[(1, 2019435920), (2, 1009717960), (4, 504858980), (5, 403887184), (8, 252429490), (10, 201943592), (16, 126214745), (20, 100971796), (40, 50485898), (79, 25562480), (80, 25242949), (158, 12781240), (173, 11673040), (316, 6390620), (346, 5836520), (395, 5112496), (632, 3195310), (692, 2918260), (790, 2556248), (865, 2334608), (1264, 1597655), (1384, 1459130), (1580, 1278124), (1730, 1167304), (1847, 1093360), (2768, 729565), (3160, 639062), (3460, 583652), (3694, 546680), (6320, 319531), (6920, 291826), (7388, 273340), (9235, 218672), (13667, 147760), (13840, 145913), (14776, 136670), (18470, 109336), (27334, 73880), (29552, 68335), (36940, 54668)]