25047200

素因数分解:

$2^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 61871040

約数和(自身を除く): 36823840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 131, 160, 200, 239, 262, 400, 478, 524, 655, 800, 956, 1048, 1195, 1310, 1912, 2096, 2390, 2620, 3275, 3824, 4192, 4780, 5240, 5975, 6550, 7648, 9560, 10480, 11950, 13100, 19120, 20960, 23900, 26200, 31309, 38240, 47800, 52400, 62618, 95600, 104800, 125236, 156545, 191200, 250472, 313090, 500944, 626180, 782725, 1001888, 1252360, 1565450, 2504720, 3130900, 5009440, 6261800, 12523600, 25047200]

約数ペア:

[(1, 25047200), (2, 12523600), (4, 6261800), (5, 5009440), (8, 3130900), (10, 2504720), (16, 1565450), (20, 1252360), (25, 1001888), (32, 782725), (40, 626180), (50, 500944), (80, 313090), (100, 250472), (131, 191200), (160, 156545), (200, 125236), (239, 104800), (262, 95600), (400, 62618), (478, 52400), (524, 47800), (655, 38240), (800, 31309), (956, 26200), (1048, 23900), (1195, 20960), (1310, 19120), (1912, 13100), (2096, 11950), (2390, 10480), (2620, 9560), (3275, 7648), (3824, 6550), (4192, 5975), (4780, 5240)]