938987680

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{74287}}^1$

素因数の和:74381

約数の個数: 48

約数和(自身を含む): 2246469120

約数和(自身を除く): 1307481440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 74287, 148574, 297148, 371435, 594296, 742870, 1188592, 1485740, 2377184, 2971480, 5868673, 5942960, 11737346, 11885920, 23474692, 29343365, 46949384, 58686730, 93898768, 117373460, 187797536, 234746920, 469493840, 938987680]

約数ペア:

[(1, 938987680), (2, 469493840), (4, 234746920), (5, 187797536), (8, 117373460), (10, 93898768), (16, 58686730), (20, 46949384), (32, 29343365), (40, 23474692), (79, 11885920), (80, 11737346), (158, 5942960), (160, 5868673), (316, 2971480), (395, 2377184), (632, 1485740), (790, 1188592), (1264, 742870), (1580, 594296), (2528, 371435), (3160, 297148), (6320, 148574), (12640, 74287)]