16438760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 40355280

約数和(自身を除く): 23916520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 313, 404, 505, 520, 626, 808, 1010, 1252, 1313, 1565, 2020, 2504, 2626, 3130, 4040, 4069, 5252, 6260, 6565, 8138, 10504, 12520, 13130, 16276, 20345, 26260, 31613, 32552, 40690, 52520, 63226, 81380, 126452, 158065, 162760, 252904, 316130, 410969, 632260, 821938, 1264520, 1643876, 2054845, 3287752, 4109690, 8219380, 16438760]

約数ペア:

[(1, 16438760), (2, 8219380), (4, 4109690), (5, 3287752), (8, 2054845), (10, 1643876), (13, 1264520), (20, 821938), (26, 632260), (40, 410969), (52, 316130), (65, 252904), (101, 162760), (104, 158065), (130, 126452), (202, 81380), (260, 63226), (313, 52520), (404, 40690), (505, 32552), (520, 31613), (626, 26260), (808, 20345), (1010, 16276), (1252, 13130), (1313, 12520), (1565, 10504), (2020, 8138), (2504, 6565), (2626, 6260), (3130, 5252), (4040, 4069)]