42019968400

素因数分解:

$2^4\times 5^2\times {\mathrm{2917}}^1\times {\mathrm{36013}}^1$

素因数の和:38948

約数の個数: 60

約数和(自身を含む): 100990386772

約数和(自身を除く): 58970418372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2917, 5834, 11668, 14585, 23336, 29170, 36013, 46672, 58340, 72026, 72925, 116680, 144052, 145850, 180065, 233360, 288104, 291700, 360130, 576208, 583400, 720260, 900325, 1166800, 1440520, 1800650, 2881040, 3601300, 7202600, 14405200, 105049921, 210099842, 420199684, 525249605, 840399368, 1050499210, 1680798736, 2100998420, 2626248025, 4201996840, 5252496050, 8403993680, 10504992100, 21009984200, 42019968400]

約数ペア:

[(1, 42019968400), (2, 21009984200), (4, 10504992100), (5, 8403993680), (8, 5252496050), (10, 4201996840), (16, 2626248025), (20, 2100998420), (25, 1680798736), (40, 1050499210), (50, 840399368), (80, 525249605), (100, 420199684), (200, 210099842), (400, 105049921), (2917, 14405200), (5834, 7202600), (11668, 3601300), (14585, 2881040), (23336, 1800650), (29170, 1440520), (36013, 1166800), (46672, 900325), (58340, 720260), (72026, 583400), (72925, 576208), (116680, 360130), (144052, 291700), (145850, 288104), (180065, 233360)]