90419200

素因数分解:

$2^{12}\times 5^2\times {\mathrm{883}}^1$

素因数の和:917

約数の個数: 78

約数和(自身を含む): 224466164

約数和(自身を除く): 134046964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 883, 1024, 1280, 1600, 1766, 2048, 2560, 3200, 3532, 4096, 4415, 5120, 6400, 7064, 8830, 10240, 12800, 14128, 17660, 20480, 22075, 25600, 28256, 35320, 44150, 51200, 56512, 70640, 88300, 102400, 113024, 141280, 176600, 226048, 282560, 353200, 452096, 565120, 706400, 904192, 1130240, 1412800, 1808384, 2260480, 2825600, 3616768, 4520960, 5651200, 9041920, 11302400, 18083840, 22604800, 45209600, 90419200]

約数ペア:

[(1, 90419200), (2, 45209600), (4, 22604800), (5, 18083840), (8, 11302400), (10, 9041920), (16, 5651200), (20, 4520960), (25, 3616768), (32, 2825600), (40, 2260480), (50, 1808384), (64, 1412800), (80, 1130240), (100, 904192), (128, 706400), (160, 565120), (200, 452096), (256, 353200), (320, 282560), (400, 226048), (512, 176600), (640, 141280), (800, 113024), (883, 102400), (1024, 88300), (1280, 70640), (1600, 56512), (1766, 51200), (2048, 44150), (2560, 35320), (3200, 28256), (3532, 25600), (4096, 22075), (4415, 20480), (5120, 17660), (6400, 14128), (7064, 12800), (8830, 10240)]