28416640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6343}}^1$

素因数の和:6369

約数の個数: 64

約数和(自身を含む): 77650560

約数和(自身を除く): 49233920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6343, 12686, 25372, 31715, 44401, 50744, 63430, 88802, 101488, 126860, 177604, 202976, 222005, 253720, 355208, 405952, 444010, 507440, 710416, 811904, 888020, 1014880, 1420832, 1776040, 2029760, 2841664, 3552080, 4059520, 5683328, 7104160, 14208320, 28416640]

約数ペア:

[(1, 28416640), (2, 14208320), (4, 7104160), (5, 5683328), (7, 4059520), (8, 3552080), (10, 2841664), (14, 2029760), (16, 1776040), (20, 1420832), (28, 1014880), (32, 888020), (35, 811904), (40, 710416), (56, 507440), (64, 444010), (70, 405952), (80, 355208), (112, 253720), (128, 222005), (140, 202976), (160, 177604), (224, 126860), (280, 101488), (320, 88802), (448, 63430), (560, 50744), (640, 44401), (896, 31715), (1120, 25372), (2240, 12686), (4480, 6343)]