16645760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 24480640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 839, 992, 1240, 1678, 1984, 2480, 3356, 3968, 4195, 4960, 6712, 8390, 9920, 13424, 16780, 19840, 26009, 26848, 33560, 52018, 53696, 67120, 104036, 107392, 130045, 134240, 208072, 260090, 268480, 416144, 520180, 536960, 832288, 1040360, 1664576, 2080720, 3329152, 4161440, 8322880, 16645760]

約数ペア:

[(1, 16645760), (2, 8322880), (4, 4161440), (5, 3329152), (8, 2080720), (10, 1664576), (16, 1040360), (20, 832288), (31, 536960), (32, 520180), (40, 416144), (62, 268480), (64, 260090), (80, 208072), (124, 134240), (128, 130045), (155, 107392), (160, 104036), (248, 67120), (310, 53696), (320, 52018), (496, 33560), (620, 26848), (640, 26009), (839, 19840), (992, 16780), (1240, 13424), (1678, 9920), (1984, 8390), (2480, 6712), (3356, 4960), (3968, 4195)]