28566880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9397}}^1$

素因数の和:9431

約数の個数: 48

約数和(自身を含む): 71048880

約数和(自身を除く): 42482000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9397, 18794, 37588, 46985, 75176, 93970, 150352, 178543, 187940, 300704, 357086, 375880, 714172, 751760, 892715, 1428344, 1503520, 1785430, 2856688, 3570860, 5713376, 7141720, 14283440, 28566880]

約数ペア:

[(1, 28566880), (2, 14283440), (4, 7141720), (5, 5713376), (8, 3570860), (10, 2856688), (16, 1785430), (19, 1503520), (20, 1428344), (32, 892715), (38, 751760), (40, 714172), (76, 375880), (80, 357086), (95, 300704), (152, 187940), (160, 178543), (190, 150352), (304, 93970), (380, 75176), (608, 46985), (760, 37588), (1520, 18794), (3040, 9397)]