40482820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 100117080

約数和(自身を除く): 59634260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 409, 490, 505, 707, 818, 980, 1010, 1414, 1636, 2020, 2045, 2828, 2863, 3535, 4090, 4949, 5726, 7070, 8180, 9898, 11452, 14140, 14315, 19796, 20041, 24745, 28630, 40082, 41309, 49490, 57260, 80164, 82618, 98980, 100205, 165236, 200410, 206545, 289163, 400820, 413090, 578326, 826180, 1156652, 1445815, 2024141, 2891630, 4048282, 5783260, 8096564, 10120705, 20241410, 40482820]

約数ペア:

[(1, 40482820), (2, 20241410), (4, 10120705), (5, 8096564), (7, 5783260), (10, 4048282), (14, 2891630), (20, 2024141), (28, 1445815), (35, 1156652), (49, 826180), (70, 578326), (98, 413090), (101, 400820), (140, 289163), (196, 206545), (202, 200410), (245, 165236), (404, 100205), (409, 98980), (490, 82618), (505, 80164), (707, 57260), (818, 49490), (980, 41309), (1010, 40082), (1414, 28630), (1636, 24745), (2020, 20041), (2045, 19796), (2828, 14315), (2863, 14140), (3535, 11452), (4090, 9898), (4949, 8180), (5726, 7070)]