20145909400

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{8731}}^1$

素因数の和:8969

約数の個数: 96

約数和(自身を含む): 47750068800

約数和(自身を除く): 27604159400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 139, 166, 200, 278, 332, 415, 556, 664, 695, 830, 1112, 1390, 1660, 2075, 2780, 3320, 3475, 4150, 5560, 6950, 8300, 8731, 11537, 13900, 16600, 17462, 23074, 27800, 34924, 43655, 46148, 57685, 69848, 87310, 92296, 115370, 174620, 218275, 230740, 288425, 349240, 436550, 461480, 576850, 724673, 873100, 1153700, 1213609, 1449346, 1746200, 2307400, 2427218, 2898692, 3623365, 4854436, 5797384, 6068045, 7246730, 9708872, 12136090, 14493460, 18116825, 24272180, 28986920, 30340225, 36233650, 48544360, 60680450, 72467300, 100729547, 121360900, 144934600, 201459094, 242721800, 402918188, 503647735, 805836376, 1007295470, 2014590940, 2518238675, 4029181880, 5036477350, 10072954700, 20145909400]

約数ペア:

[(1, 20145909400), (2, 10072954700), (4, 5036477350), (5, 4029181880), (8, 2518238675), (10, 2014590940), (20, 1007295470), (25, 805836376), (40, 503647735), (50, 402918188), (83, 242721800), (100, 201459094), (139, 144934600), (166, 121360900), (200, 100729547), (278, 72467300), (332, 60680450), (415, 48544360), (556, 36233650), (664, 30340225), (695, 28986920), (830, 24272180), (1112, 18116825), (1390, 14493460), (1660, 12136090), (2075, 9708872), (2780, 7246730), (3320, 6068045), (3475, 5797384), (4150, 4854436), (5560, 3623365), (6950, 2898692), (8300, 2427218), (8731, 2307400), (11537, 1746200), (13900, 1449346), (16600, 1213609), (17462, 1153700), (23074, 873100), (27800, 724673), (34924, 576850), (43655, 461480), (46148, 436550), (57685, 349240), (69848, 288425), (87310, 230740), (92296, 218275), (115370, 174620)]