13305889420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{77261}}^1$

素因数の和:77458

約数の個数: 48

約数和(自身を含む): 28556035200

約数和(自身を除く): 15250145780

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 8611, 17222, 34444, 43055, 77261, 86110, 154522, 172220, 309044, 386305, 772610, 1545220, 6103619, 8421449, 12207238, 16842898, 24414476, 30518095, 33685796, 42107245, 61036190, 84214490, 122072380, 168428980, 665294471, 1330588942, 2661177884, 3326472355, 6652944710, 13305889420]

約数ペア:

[(1, 13305889420), (2, 6652944710), (4, 3326472355), (5, 2661177884), (10, 1330588942), (20, 665294471), (79, 168428980), (109, 122072380), (158, 84214490), (218, 61036190), (316, 42107245), (395, 33685796), (436, 30518095), (545, 24414476), (790, 16842898), (1090, 12207238), (1580, 8421449), (2180, 6103619), (8611, 1545220), (17222, 772610), (34444, 386305), (43055, 309044), (77261, 172220), (86110, 154522)]