78419200

素因数分解:

$2^8\times 5^2\times {\mathrm{12253}}^1$

素因数の和:12279

約数の個数: 54

約数和(自身を含む): 194115614

約数和(自身を除く): 115696414

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12253, 24506, 49012, 61265, 98024, 122530, 196048, 245060, 306325, 392096, 490120, 612650, 784192, 980240, 1225300, 1568384, 1960480, 2450600, 3136768, 3920960, 4901200, 7841920, 9802400, 15683840, 19604800, 39209600, 78419200]

約数ペア:

[(1, 78419200), (2, 39209600), (4, 19604800), (5, 15683840), (8, 9802400), (10, 7841920), (16, 4901200), (20, 3920960), (25, 3136768), (32, 2450600), (40, 1960480), (50, 1568384), (64, 1225300), (80, 980240), (100, 784192), (128, 612650), (160, 490120), (200, 392096), (256, 306325), (320, 245060), (400, 196048), (640, 122530), (800, 98024), (1280, 61265), (1600, 49012), (3200, 24506), (6400, 12253)]