38899640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 94953600

約数和(自身を除く): 56053960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 313, 478, 520, 626, 956, 1195, 1252, 1565, 1912, 2390, 2504, 3107, 3130, 4069, 4780, 6214, 6260, 8138, 9560, 12428, 12520, 15535, 16276, 20345, 24856, 31070, 32552, 40690, 62140, 74807, 81380, 124280, 149614, 162760, 299228, 374035, 598456, 748070, 972491, 1496140, 1944982, 2992280, 3889964, 4862455, 7779928, 9724910, 19449820, 38899640]

約数ペア:

[(1, 38899640), (2, 19449820), (4, 9724910), (5, 7779928), (8, 4862455), (10, 3889964), (13, 2992280), (20, 1944982), (26, 1496140), (40, 972491), (52, 748070), (65, 598456), (104, 374035), (130, 299228), (239, 162760), (260, 149614), (313, 124280), (478, 81380), (520, 74807), (626, 62140), (956, 40690), (1195, 32552), (1252, 31070), (1565, 24856), (1912, 20345), (2390, 16276), (2504, 15535), (3107, 12520), (3130, 12428), (4069, 9560), (4780, 8138), (6214, 6260)]