28173760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5179}}^1$

素因数の和:5213

約数の個数: 56

約数和(自身を含む): 71048880

約数和(自身を除く): 42875120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5179, 5440, 10358, 20716, 25895, 41432, 51790, 82864, 88043, 103580, 165728, 176086, 207160, 331456, 352172, 414320, 440215, 704344, 828640, 880430, 1408688, 1657280, 1760860, 2817376, 3521720, 5634752, 7043440, 14086880, 28173760]

約数ペア:

[(1, 28173760), (2, 14086880), (4, 7043440), (5, 5634752), (8, 3521720), (10, 2817376), (16, 1760860), (17, 1657280), (20, 1408688), (32, 880430), (34, 828640), (40, 704344), (64, 440215), (68, 414320), (80, 352172), (85, 331456), (136, 207160), (160, 176086), (170, 165728), (272, 103580), (320, 88043), (340, 82864), (544, 51790), (680, 41432), (1088, 25895), (1360, 20716), (2720, 10358), (5179, 5440)]