79774720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15581}}^1$

素因数の和:15606

約数の個数: 44

約数和(自身を含む): 191378124

約数和(自身を除く): 111603404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15581, 31162, 62324, 77905, 124648, 155810, 249296, 311620, 498592, 623240, 997184, 1246480, 1994368, 2492960, 3988736, 4985920, 7977472, 9971840, 15954944, 19943680, 39887360, 79774720]

約数ペア:

[(1, 79774720), (2, 39887360), (4, 19943680), (5, 15954944), (8, 9971840), (10, 7977472), (16, 4985920), (20, 3988736), (32, 2492960), (40, 1994368), (64, 1246480), (80, 997184), (128, 623240), (160, 498592), (256, 311620), (320, 249296), (512, 155810), (640, 124648), (1024, 77905), (1280, 62324), (2560, 31162), (5120, 15581)]