8423840

素因数分解:

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

素因数の和:214

約数の個数: 96

約数和(自身を含む): 22317120

約数和(自身を除く): 13893280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 163, 170, 190, 272, 304, 323, 326, 340, 380, 544, 608, 646, 652, 680, 760, 815, 1292, 1304, 1360, 1520, 1615, 1630, 2584, 2608, 2720, 2771, 3040, 3097, 3230, 3260, 5168, 5216, 5542, 6194, 6460, 6520, 10336, 11084, 12388, 12920, 13040, 13855, 15485, 22168, 24776, 25840, 26080, 27710, 30970, 44336, 49552, 51680, 52649, 55420, 61940, 88672, 99104, 105298, 110840, 123880, 210596, 221680, 247760, 263245, 421192, 443360, 495520, 526490, 842384, 1052980, 1684768, 2105960, 4211920, 8423840]

約数ペア:

[(1, 8423840), (2, 4211920), (4, 2105960), (5, 1684768), (8, 1052980), (10, 842384), (16, 526490), (17, 495520), (19, 443360), (20, 421192), (32, 263245), (34, 247760), (38, 221680), (40, 210596), (68, 123880), (76, 110840), (80, 105298), (85, 99104), (95, 88672), (136, 61940), (152, 55420), (160, 52649), (163, 51680), (170, 49552), (190, 44336), (272, 30970), (304, 27710), (323, 26080), (326, 25840), (340, 24776), (380, 22168), (544, 15485), (608, 13855), (646, 13040), (652, 12920), (680, 12388), (760, 11084), (815, 10336), (1292, 6520), (1304, 6460), (1360, 6194), (1520, 5542), (1615, 5216), (1630, 5168), (2584, 3260), (2608, 3230), (2720, 3097), (2771, 3040)]