42852760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 99532800

約数和(自身を除く): 56680040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 191, 284, 316, 355, 382, 395, 568, 632, 710, 764, 790, 955, 1420, 1528, 1580, 1910, 2840, 3160, 3820, 5609, 7640, 11218, 13561, 15089, 22436, 27122, 28045, 30178, 44872, 54244, 56090, 60356, 67805, 75445, 108488, 112180, 120712, 135610, 150890, 224360, 271220, 301780, 542440, 603560, 1071319, 2142638, 4285276, 5356595, 8570552, 10713190, 21426380, 42852760]

約数ペア:

[(1, 42852760), (2, 21426380), (4, 10713190), (5, 8570552), (8, 5356595), (10, 4285276), (20, 2142638), (40, 1071319), (71, 603560), (79, 542440), (142, 301780), (158, 271220), (191, 224360), (284, 150890), (316, 135610), (355, 120712), (382, 112180), (395, 108488), (568, 75445), (632, 67805), (710, 60356), (764, 56090), (790, 54244), (955, 44872), (1420, 30178), (1528, 28045), (1580, 27122), (1910, 22436), (2840, 15089), (3160, 13561), (3820, 11218), (5609, 7640)]