20672889200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2720117}}^1$

素因数の和:2720154

約数の個数: 60

約数和(自身を含む): 52280667960

約数和(自身を除く): 31607778760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 2720117, 5440234, 10880468, 13600585, 21760936, 27201170, 43521872, 51682223, 54402340, 68002925, 103364446, 108804680, 136005850, 206728892, 217609360, 258411115, 272011700, 413457784, 516822230, 544023400, 826915568, 1033644460, 1088046800, 1292055575, 2067288920, 2584111150, 4134577840, 5168222300, 10336444600, 20672889200]

約数ペア:

[(1, 20672889200), (2, 10336444600), (4, 5168222300), (5, 4134577840), (8, 2584111150), (10, 2067288920), (16, 1292055575), (19, 1088046800), (20, 1033644460), (25, 826915568), (38, 544023400), (40, 516822230), (50, 413457784), (76, 272011700), (80, 258411115), (95, 217609360), (100, 206728892), (152, 136005850), (190, 108804680), (200, 103364446), (304, 68002925), (380, 54402340), (400, 51682223), (475, 43521872), (760, 27201170), (950, 21760936), (1520, 13600585), (1900, 10880468), (3800, 5440234), (7600, 2720117)]