204521920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22039}}^1$

素因数の和:22085

約数の個数: 56

約数和(自身を含む): 503834400

約数和(自身を除く): 299312480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 22039, 44078, 88156, 110195, 176312, 220390, 352624, 440780, 639131, 705248, 881560, 1278262, 1410496, 1763120, 2556524, 3195655, 3526240, 5113048, 6391310, 7052480, 10226096, 12782620, 20452192, 25565240, 40904384, 51130480, 102260960, 204521920]

約数ペア:

[(1, 204521920), (2, 102260960), (4, 51130480), (5, 40904384), (8, 25565240), (10, 20452192), (16, 12782620), (20, 10226096), (29, 7052480), (32, 6391310), (40, 5113048), (58, 3526240), (64, 3195655), (80, 2556524), (116, 1763120), (145, 1410496), (160, 1278262), (232, 881560), (290, 705248), (320, 639131), (464, 440780), (580, 352624), (928, 220390), (1160, 176312), (1856, 110195), (2320, 88156), (4640, 44078), (9280, 22039)]