2894750720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{565381}}^1$

素因数の和:565406

約数の個数: 44

約数和(自身を含む): 6944021724

約数和(自身を除く): 4049271004

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, 565381, 1130762, 2261524, 2826905, 4523048, 5653810, 9046096, 11307620, 18092192, 22615240, 36184384, 45230480, 72368768, 90460960, 144737536, 180921920, 289475072, 361843840, 578950144, 723687680, 1447375360, 2894750720]

約数ペア:

[(1, 2894750720), (2, 1447375360), (4, 723687680), (5, 578950144), (8, 361843840), (10, 289475072), (16, 180921920), (20, 144737536), (32, 90460960), (40, 72368768), (64, 45230480), (80, 36184384), (128, 22615240), (160, 18092192), (256, 11307620), (320, 9046096), (512, 5653810), (640, 4523048), (1024, 2826905), (1280, 2261524), (2560, 1130762), (5120, 565381)]