8465680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 21092400

約数和(自身を除く): 12626720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 89, 116, 145, 164, 178, 205, 232, 290, 328, 356, 410, 445, 464, 580, 656, 712, 820, 890, 1160, 1189, 1424, 1640, 1780, 2320, 2378, 2581, 3280, 3560, 3649, 4756, 5162, 5945, 7120, 7298, 9512, 10324, 11890, 12905, 14596, 18245, 19024, 20648, 23780, 25810, 29192, 36490, 41296, 47560, 51620, 58384, 72980, 95120, 103240, 105821, 145960, 206480, 211642, 291920, 423284, 529105, 846568, 1058210, 1693136, 2116420, 4232840, 8465680]

約数ペア:

[(1, 8465680), (2, 4232840), (4, 2116420), (5, 1693136), (8, 1058210), (10, 846568), (16, 529105), (20, 423284), (29, 291920), (40, 211642), (41, 206480), (58, 145960), (80, 105821), (82, 103240), (89, 95120), (116, 72980), (145, 58384), (164, 51620), (178, 47560), (205, 41296), (232, 36490), (290, 29192), (328, 25810), (356, 23780), (410, 20648), (445, 19024), (464, 18245), (580, 14596), (656, 12905), (712, 11890), (820, 10324), (890, 9512), (1160, 7298), (1189, 7120), (1424, 5945), (1640, 5162), (1780, 4756), (2320, 3649), (2378, 3560), (2581, 3280)]