40248400

素因数分解:

$2^4\times 5^2\times {\mathrm{100621}}^1$

素因数の和:100639

約数の個数: 30

約数和(自身を含む): 96697742

約数和(自身を除く): 56449342

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100621, 201242, 402484, 503105, 804968, 1006210, 1609936, 2012420, 2515525, 4024840, 5031050, 8049680, 10062100, 20124200, 40248400]

約数ペア:

[(1, 40248400), (2, 20124200), (4, 10062100), (5, 8049680), (8, 5031050), (10, 4024840), (16, 2515525), (20, 2012420), (25, 1609936), (40, 1006210), (50, 804968), (80, 503105), (100, 402484), (200, 201242), (400, 100621)]