4894240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 12589668

約数和(自身を除く): 7695428

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 181, 208, 260, 338, 362, 416, 520, 676, 724, 845, 905, 1040, 1352, 1448, 1690, 1810, 2080, 2353, 2704, 2896, 3380, 3620, 4706, 5408, 5792, 6760, 7240, 9412, 11765, 13520, 14480, 18824, 23530, 27040, 28960, 30589, 37648, 47060, 61178, 75296, 94120, 122356, 152945, 188240, 244712, 305890, 376480, 489424, 611780, 978848, 1223560, 2447120, 4894240]

約数ペア:

[(1, 4894240), (2, 2447120), (4, 1223560), (5, 978848), (8, 611780), (10, 489424), (13, 376480), (16, 305890), (20, 244712), (26, 188240), (32, 152945), (40, 122356), (52, 94120), (65, 75296), (80, 61178), (104, 47060), (130, 37648), (160, 30589), (169, 28960), (181, 27040), (208, 23530), (260, 18824), (338, 14480), (362, 13520), (416, 11765), (520, 9412), (676, 7240), (724, 6760), (845, 5792), (905, 5408), (1040, 4706), (1352, 3620), (1448, 3380), (1690, 2896), (1810, 2704), (2080, 2353)]