26253940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 57217104

約数和(自身を除く): 30963164

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 317, 404, 410, 505, 634, 820, 1010, 1268, 1585, 2020, 3170, 4141, 6340, 8282, 12997, 16564, 20705, 25994, 32017, 41410, 51988, 64034, 64985, 82820, 128068, 129970, 160085, 259940, 320170, 640340, 1312697, 2625394, 5250788, 6563485, 13126970, 26253940]

約数ペア:

[(1, 26253940), (2, 13126970), (4, 6563485), (5, 5250788), (10, 2625394), (20, 1312697), (41, 640340), (82, 320170), (101, 259940), (164, 160085), (202, 129970), (205, 128068), (317, 82820), (404, 64985), (410, 64034), (505, 51988), (634, 41410), (820, 32017), (1010, 25994), (1268, 20705), (1585, 16564), (2020, 12997), (3170, 8282), (4141, 6340)]