20245989440

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1\times {\mathrm{953}}^1$

素因数の和:1504

約数の個数: 112

約数和(自身を含む): 48650267952

約数和(自身を除く): 28404278512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 337, 394, 674, 788, 953, 985, 1348, 1576, 1685, 1906, 1970, 2696, 3152, 3370, 3812, 3940, 4765, 5392, 6304, 6740, 7624, 7880, 9530, 10784, 12608, 13480, 15248, 15760, 19060, 21568, 26960, 30496, 31520, 38120, 53920, 60992, 63040, 66389, 76240, 107840, 132778, 152480, 187741, 265556, 304960, 321161, 331945, 375482, 531112, 642322, 663890, 750964, 938705, 1062224, 1284644, 1327780, 1501928, 1605805, 1877410, 2124448, 2569288, 2655560, 3003856, 3211610, 3754820, 4248896, 5138576, 5311120, 6007712, 6423220, 7509640, 10277152, 10622240, 12015424, 12846440, 15019280, 20554304, 21244480, 25692880, 30038560, 51385760, 60077120, 63268717, 102771520, 126537434, 253074868, 316343585, 506149736, 632687170, 1012299472, 1265374340, 2024598944, 2530748680, 4049197888, 5061497360, 10122994720, 20245989440]

約数ペア:

[(1, 20245989440), (2, 10122994720), (4, 5061497360), (5, 4049197888), (8, 2530748680), (10, 2024598944), (16, 1265374340), (20, 1012299472), (32, 632687170), (40, 506149736), (64, 316343585), (80, 253074868), (160, 126537434), (197, 102771520), (320, 63268717), (337, 60077120), (394, 51385760), (674, 30038560), (788, 25692880), (953, 21244480), (985, 20554304), (1348, 15019280), (1576, 12846440), (1685, 12015424), (1906, 10622240), (1970, 10277152), (2696, 7509640), (3152, 6423220), (3370, 6007712), (3812, 5311120), (3940, 5138576), (4765, 4248896), (5392, 3754820), (6304, 3211610), (6740, 3003856), (7624, 2655560), (7880, 2569288), (9530, 2124448), (10784, 1877410), (12608, 1605805), (13480, 1501928), (15248, 1327780), (15760, 1284644), (19060, 1062224), (21568, 938705), (26960, 750964), (30496, 663890), (31520, 642322), (38120, 531112), (53920, 375482), (60992, 331945), (63040, 321161), (66389, 304960), (76240, 265556), (107840, 187741), (132778, 152480)]