25001288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29430712

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 79, 104, 136, 158, 179, 221, 316, 358, 442, 632, 716, 884, 1027, 1343, 1432, 1768, 2054, 2327, 2686, 3043, 4108, 4654, 5372, 6086, 8216, 9308, 10744, 12172, 14141, 17459, 18616, 24344, 28282, 34918, 39559, 56564, 69836, 79118, 113128, 139672, 158236, 183833, 240397, 316472, 367666, 480794, 735332, 961588, 1470664, 1923176, 3125161, 6250322, 12500644, 25001288]

約数ペア:

[(1, 25001288), (2, 12500644), (4, 6250322), (8, 3125161), (13, 1923176), (17, 1470664), (26, 961588), (34, 735332), (52, 480794), (68, 367666), (79, 316472), (104, 240397), (136, 183833), (158, 158236), (179, 139672), (221, 113128), (316, 79118), (358, 69836), (442, 56564), (632, 39559), (716, 34918), (884, 28282), (1027, 24344), (1343, 18616), (1432, 17459), (1768, 14141), (2054, 12172), (2327, 10744), (2686, 9308), (3043, 8216), (4108, 6086), (4654, 5372)]