65917840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2600

約数の個数: 80

約数和(自身を含む): 170881920

約数和(自身を除く): 104964080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2551, 2584, 3230, 5102, 5168, 6460, 10204, 12755, 12920, 20408, 25510, 25840, 40816, 43367, 48469, 51020, 86734, 96938, 102040, 173468, 193876, 204080, 216835, 242345, 346936, 387752, 433670, 484690, 693872, 775504, 823973, 867340, 969380, 1647946, 1734680, 1938760, 3295892, 3469360, 3877520, 4119865, 6591784, 8239730, 13183568, 16479460, 32958920, 65917840]

約数ペア:

[(1, 65917840), (2, 32958920), (4, 16479460), (5, 13183568), (8, 8239730), (10, 6591784), (16, 4119865), (17, 3877520), (19, 3469360), (20, 3295892), (34, 1938760), (38, 1734680), (40, 1647946), (68, 969380), (76, 867340), (80, 823973), (85, 775504), (95, 693872), (136, 484690), (152, 433670), (170, 387752), (190, 346936), (272, 242345), (304, 216835), (323, 204080), (340, 193876), (380, 173468), (646, 102040), (680, 96938), (760, 86734), (1292, 51020), (1360, 48469), (1520, 43367), (1615, 40816), (2551, 25840), (2584, 25510), (3230, 20408), (5102, 12920), (5168, 12755), (6460, 10204)]