78701920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 96

約数和(自身を含む): 205371936

約数和(自身を除く): 126670016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 461, 485, 776, 880, 922, 970, 1067, 1552, 1760, 1844, 1940, 2134, 2305, 3104, 3688, 3880, 4268, 4610, 5071, 5335, 7376, 7760, 8536, 9220, 10142, 10670, 14752, 15520, 17072, 18440, 20284, 21340, 25355, 34144, 36880, 40568, 42680, 44717, 50710, 73760, 81136, 85360, 89434, 101420, 162272, 170720, 178868, 202840, 223585, 357736, 405680, 447170, 491887, 715472, 811360, 894340, 983774, 1430944, 1788680, 1967548, 2459435, 3577360, 3935096, 4918870, 7154720, 7870192, 9837740, 15740384, 19675480, 39350960, 78701920]

約数ペア:

[(1, 78701920), (2, 39350960), (4, 19675480), (5, 15740384), (8, 9837740), (10, 7870192), (11, 7154720), (16, 4918870), (20, 3935096), (22, 3577360), (32, 2459435), (40, 1967548), (44, 1788680), (55, 1430944), (80, 983774), (88, 894340), (97, 811360), (110, 715472), (160, 491887), (176, 447170), (194, 405680), (220, 357736), (352, 223585), (388, 202840), (440, 178868), (461, 170720), (485, 162272), (776, 101420), (880, 89434), (922, 85360), (970, 81136), (1067, 73760), (1552, 50710), (1760, 44717), (1844, 42680), (1940, 40568), (2134, 36880), (2305, 34144), (3104, 25355), (3688, 21340), (3880, 20284), (4268, 18440), (4610, 17072), (5071, 15520), (5335, 14752), (7376, 10670), (7760, 10142), (8536, 9220)]