201968650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{310721}}^1$

素因数の和:310746

約数の個数: 24

約数和(自身を含む): 404560044

約数和(自身を除く): 202591394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 310721, 621442, 1553605, 3107210, 4039373, 7768025, 8078746, 15536050, 20196865, 40393730, 100984325, 201968650]

約数ペア:

[(1, 201968650), (2, 100984325), (5, 40393730), (10, 20196865), (13, 15536050), (25, 8078746), (26, 7768025), (50, 4039373), (65, 3107210), (130, 1553605), (325, 621442), (650, 310721)]