40649360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 101779200

約数和(自身を除く): 61129840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 569, 752, 760, 893, 940, 1138, 1520, 1786, 1880, 2276, 2845, 3572, 3760, 4465, 4552, 5690, 7144, 8930, 9104, 10811, 11380, 14288, 17860, 21622, 22760, 26743, 35720, 43244, 45520, 53486, 54055, 71440, 86488, 106972, 108110, 133715, 172976, 213944, 216220, 267430, 427888, 432440, 508117, 534860, 864880, 1016234, 1069720, 2032468, 2139440, 2540585, 4064936, 5081170, 8129872, 10162340, 20324680, 40649360]

約数ペア:

[(1, 40649360), (2, 20324680), (4, 10162340), (5, 8129872), (8, 5081170), (10, 4064936), (16, 2540585), (19, 2139440), (20, 2032468), (38, 1069720), (40, 1016234), (47, 864880), (76, 534860), (80, 508117), (94, 432440), (95, 427888), (152, 267430), (188, 216220), (190, 213944), (235, 172976), (304, 133715), (376, 108110), (380, 106972), (470, 86488), (569, 71440), (752, 54055), (760, 53486), (893, 45520), (940, 43244), (1138, 35720), (1520, 26743), (1786, 22760), (1880, 21622), (2276, 17860), (2845, 14288), (3572, 11380), (3760, 10811), (4465, 9104), (4552, 8930), (5690, 7144)]