128503600

素因数分解:

$2^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2843}}^1$

素因数の和:2974

約数の個数: 60

約数和(自身を含む): 311571576

約数和(自身を除く): 183067976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 200, 226, 400, 452, 565, 904, 1130, 1808, 2260, 2825, 2843, 4520, 5650, 5686, 9040, 11300, 11372, 14215, 22600, 22744, 28430, 45200, 45488, 56860, 71075, 113720, 142150, 227440, 284300, 321259, 568600, 642518, 1137200, 1285036, 1606295, 2570072, 3212590, 5140144, 6425180, 8031475, 12850360, 16062950, 25700720, 32125900, 64251800, 128503600]

約数ペア:

[(1, 128503600), (2, 64251800), (4, 32125900), (5, 25700720), (8, 16062950), (10, 12850360), (16, 8031475), (20, 6425180), (25, 5140144), (40, 3212590), (50, 2570072), (80, 1606295), (100, 1285036), (113, 1137200), (200, 642518), (226, 568600), (400, 321259), (452, 284300), (565, 227440), (904, 142150), (1130, 113720), (1808, 71075), (2260, 56860), (2825, 45488), (2843, 45200), (4520, 28430), (5650, 22744), (5686, 22600), (9040, 14215), (11300, 11372)]