2105960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 5313600

約数和(自身を除く): 3207640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 163, 170, 190, 323, 326, 340, 380, 646, 652, 680, 760, 815, 1292, 1304, 1615, 1630, 2584, 2771, 3097, 3230, 3260, 5542, 6194, 6460, 6520, 11084, 12388, 12920, 13855, 15485, 22168, 24776, 27710, 30970, 52649, 55420, 61940, 105298, 110840, 123880, 210596, 263245, 421192, 526490, 1052980, 2105960]

約数ペア:

[(1, 2105960), (2, 1052980), (4, 526490), (5, 421192), (8, 263245), (10, 210596), (17, 123880), (19, 110840), (20, 105298), (34, 61940), (38, 55420), (40, 52649), (68, 30970), (76, 27710), (85, 24776), (95, 22168), (136, 15485), (152, 13855), (163, 12920), (170, 12388), (190, 11084), (323, 6520), (326, 6460), (340, 6194), (380, 5542), (646, 3260), (652, 3230), (680, 3097), (760, 2771), (815, 2584), (1292, 1630), (1304, 1615)]