259378720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15739}}^1$

素因数の和:15857

約数の個数: 48

約数和(自身を含む): 618770880

約数和(自身を除く): 359392160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 15739, 16480, 31478, 62956, 78695, 125912, 157390, 251824, 314780, 503648, 629560, 1259120, 1621117, 2518240, 3242234, 6484468, 8105585, 12968936, 16211170, 25937872, 32422340, 51875744, 64844680, 129689360, 259378720]

約数ペア:

[(1, 259378720), (2, 129689360), (4, 64844680), (5, 51875744), (8, 32422340), (10, 25937872), (16, 16211170), (20, 12968936), (32, 8105585), (40, 6484468), (80, 3242234), (103, 2518240), (160, 1621117), (206, 1259120), (412, 629560), (515, 503648), (824, 314780), (1030, 251824), (1648, 157390), (2060, 125912), (3296, 78695), (4120, 62956), (8240, 31478), (15739, 16480)]