40889300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9973}}^1$

素因数の和:10028

約数の個数: 36

約数和(自身を含む): 90903036

約数和(自身を除く): 50013736

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9973, 19946, 39892, 49865, 99730, 199460, 249325, 408893, 498650, 817786, 997300, 1635572, 2044465, 4088930, 8177860, 10222325, 20444650, 40889300]

約数ペア:

[(1, 40889300), (2, 20444650), (4, 10222325), (5, 8177860), (10, 4088930), (20, 2044465), (25, 1635572), (41, 997300), (50, 817786), (82, 498650), (100, 408893), (164, 249325), (205, 199460), (410, 99730), (820, 49865), (1025, 39892), (2050, 19946), (4100, 9973)]