25306880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1201

約数の個数: 72

約数和(自身を含む): 64238832

約数和(自身を除く): 38931952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1163, 1280, 1360, 2176, 2326, 2720, 4352, 4652, 5440, 5815, 9304, 10880, 11630, 18608, 19771, 21760, 23260, 37216, 39542, 46520, 74432, 79084, 93040, 98855, 148864, 158168, 186080, 197710, 297728, 316336, 372160, 395420, 632672, 744320, 790840, 1265344, 1488640, 1581680, 2530688, 3163360, 5061376, 6326720, 12653440, 25306880]

約数ペア:

[(1, 25306880), (2, 12653440), (4, 6326720), (5, 5061376), (8, 3163360), (10, 2530688), (16, 1581680), (17, 1488640), (20, 1265344), (32, 790840), (34, 744320), (40, 632672), (64, 395420), (68, 372160), (80, 316336), (85, 297728), (128, 197710), (136, 186080), (160, 158168), (170, 148864), (256, 98855), (272, 93040), (320, 79084), (340, 74432), (544, 46520), (640, 39542), (680, 37216), (1088, 23260), (1163, 21760), (1280, 19771), (1360, 18608), (2176, 11630), (2326, 10880), (2720, 9304), (4352, 5815), (4652, 5440)]