202541440

素因数分解:

$2^7\times 5^1\times {\mathrm{316471}}^1$

素因数の和:316490

約数の個数: 32

約数和(自身を含む): 484202160

約数和(自身を除く): 281660720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 316471, 632942, 1265884, 1582355, 2531768, 3164710, 5063536, 6329420, 10127072, 12658840, 20254144, 25317680, 40508288, 50635360, 101270720, 202541440]

約数ペア:

[(1, 202541440), (2, 101270720), (4, 50635360), (5, 40508288), (8, 25317680), (10, 20254144), (16, 12658840), (20, 10127072), (32, 6329420), (40, 5063536), (64, 3164710), (80, 2531768), (128, 1582355), (160, 1265884), (320, 632942), (640, 316471)]