201581920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2072

約数の個数: 96

約数和(自身を含む): 518138208

約数和(自身を除く): 316556288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 544, 592, 629, 680, 740, 1184, 1258, 1360, 1480, 2003, 2516, 2720, 2960, 3145, 4006, 5032, 5920, 6290, 8012, 10015, 10064, 12580, 16024, 20030, 20128, 25160, 32048, 34051, 40060, 50320, 64096, 68102, 74111, 80120, 100640, 136204, 148222, 160240, 170255, 272408, 296444, 320480, 340510, 370555, 544816, 592888, 681020, 741110, 1089632, 1185776, 1259887, 1362040, 1482220, 2371552, 2519774, 2724080, 2964440, 5039548, 5448160, 5928880, 6299435, 10079096, 11857760, 12598870, 20158192, 25197740, 40316384, 50395480, 100790960, 201581920]

約数ペア:

[(1, 201581920), (2, 100790960), (4, 50395480), (5, 40316384), (8, 25197740), (10, 20158192), (16, 12598870), (17, 11857760), (20, 10079096), (32, 6299435), (34, 5928880), (37, 5448160), (40, 5039548), (68, 2964440), (74, 2724080), (80, 2519774), (85, 2371552), (136, 1482220), (148, 1362040), (160, 1259887), (170, 1185776), (185, 1089632), (272, 741110), (296, 681020), (340, 592888), (370, 544816), (544, 370555), (592, 340510), (629, 320480), (680, 296444), (740, 272408), (1184, 170255), (1258, 160240), (1360, 148222), (1480, 136204), (2003, 100640), (2516, 80120), (2720, 74111), (2960, 68102), (3145, 64096), (4006, 50320), (5032, 40060), (5920, 34051), (6290, 32048), (8012, 25160), (10015, 20128), (10064, 20030), (12580, 16024)]