1863804560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1\times {\mathrm{521}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 4395937392

約数和(自身を除く): 2532132832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 461, 485, 521, 776, 922, 970, 1042, 1552, 1844, 1940, 2084, 2305, 2605, 3688, 3880, 4168, 4610, 5210, 7376, 7760, 8336, 9220, 10420, 18440, 20840, 36880, 41680, 44717, 50537, 89434, 101074, 178868, 202148, 223585, 240181, 252685, 357736, 404296, 447170, 480362, 505370, 715472, 808592, 894340, 960724, 1010740, 1200905, 1788680, 1921448, 2021480, 2401810, 3577360, 3842896, 4042960, 4803620, 9607240, 19214480, 23297557, 46595114, 93190228, 116487785, 186380456, 232975570, 372760912, 465951140, 931902280, 1863804560]

約数ペア:

[(1, 1863804560), (2, 931902280), (4, 465951140), (5, 372760912), (8, 232975570), (10, 186380456), (16, 116487785), (20, 93190228), (40, 46595114), (80, 23297557), (97, 19214480), (194, 9607240), (388, 4803620), (461, 4042960), (485, 3842896), (521, 3577360), (776, 2401810), (922, 2021480), (970, 1921448), (1042, 1788680), (1552, 1200905), (1844, 1010740), (1940, 960724), (2084, 894340), (2305, 808592), (2605, 715472), (3688, 505370), (3880, 480362), (4168, 447170), (4610, 404296), (5210, 357736), (7376, 252685), (7760, 240181), (8336, 223585), (9220, 202148), (10420, 178868), (18440, 101074), (20840, 89434), (36880, 50537), (41680, 44717)]