1625558980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 3584673792

約数和(自身を除く): 1959114812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 107, 164, 191, 194, 205, 214, 382, 388, 410, 428, 485, 535, 764, 820, 955, 970, 1070, 1910, 1940, 2140, 3820, 3977, 4387, 7831, 7954, 8774, 10379, 15662, 15908, 17548, 18527, 19885, 20437, 20758, 21935, 31324, 37054, 39155, 39770, 40874, 41516, 43870, 51895, 74108, 78310, 79540, 81748, 87740, 92635, 102185, 103790, 156620, 185270, 204370, 207580, 370540, 408740, 425539, 759607, 837917, 851078, 1519214, 1675834, 1702156, 1982389, 2127695, 3038428, 3351668, 3798035, 3964778, 4189585, 4255390, 7596070, 7929556, 8379170, 8510780, 9911945, 15192140, 16758340, 19823890, 39647780, 81277949, 162555898, 325111796, 406389745, 812779490, 1625558980]

約数ペア:

[(1, 1625558980), (2, 812779490), (4, 406389745), (5, 325111796), (10, 162555898), (20, 81277949), (41, 39647780), (82, 19823890), (97, 16758340), (107, 15192140), (164, 9911945), (191, 8510780), (194, 8379170), (205, 7929556), (214, 7596070), (382, 4255390), (388, 4189585), (410, 3964778), (428, 3798035), (485, 3351668), (535, 3038428), (764, 2127695), (820, 1982389), (955, 1702156), (970, 1675834), (1070, 1519214), (1910, 851078), (1940, 837917), (2140, 759607), (3820, 425539), (3977, 408740), (4387, 370540), (7831, 207580), (7954, 204370), (8774, 185270), (10379, 156620), (15662, 103790), (15908, 102185), (17548, 92635), (18527, 87740), (19885, 81748), (20437, 79540), (20758, 78310), (21935, 74108), (31324, 51895), (37054, 43870), (39155, 41516), (39770, 40874)]