8359240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 20995200

約数和(自身を除く): 12635960

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 647, 680, 760, 1292, 1294, 1615, 2584, 2588, 3230, 3235, 5176, 6460, 6470, 10999, 12293, 12920, 12940, 21998, 24586, 25880, 43996, 49172, 54995, 61465, 87992, 98344, 109990, 122930, 208981, 219980, 245860, 417962, 439960, 491720, 835924, 1044905, 1671848, 2089810, 4179620, 8359240]

約数ペア:

[(1, 8359240), (2, 4179620), (4, 2089810), (5, 1671848), (8, 1044905), (10, 835924), (17, 491720), (19, 439960), (20, 417962), (34, 245860), (38, 219980), (40, 208981), (68, 122930), (76, 109990), (85, 98344), (95, 87992), (136, 61465), (152, 54995), (170, 49172), (190, 43996), (323, 25880), (340, 24586), (380, 21998), (646, 12940), (647, 12920), (680, 12293), (760, 10999), (1292, 6470), (1294, 6460), (1615, 5176), (2584, 3235), (2588, 3230)]