65926880

素因数分解:

$2^5\times 5^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 156237984

約数和(自身を除く): 90311104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 631, 653, 1262, 1306, 2524, 2612, 3155, 3265, 5048, 5224, 6310, 6530, 10096, 10448, 12620, 13060, 20192, 20896, 25240, 26120, 50480, 52240, 100960, 104480, 412043, 824086, 1648172, 2060215, 3296344, 4120430, 6592688, 8240860, 13185376, 16481720, 32963440, 65926880]

約数ペア:

[(1, 65926880), (2, 32963440), (4, 16481720), (5, 13185376), (8, 8240860), (10, 6592688), (16, 4120430), (20, 3296344), (32, 2060215), (40, 1648172), (80, 824086), (160, 412043), (631, 104480), (653, 100960), (1262, 52240), (1306, 50480), (2524, 26120), (2612, 25240), (3155, 20896), (3265, 20192), (5048, 13060), (5224, 12620), (6310, 10448), (6530, 10096)]