51863380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 111484800

約数和(自身を除く): 59621420

約数列:

[1, 2, 4, 5, 10, 20, 83, 157, 166, 199, 314, 332, 398, 415, 628, 785, 796, 830, 995, 1570, 1660, 1990, 3140, 3980, 13031, 16517, 26062, 31243, 33034, 52124, 62486, 65155, 66068, 82585, 124972, 130310, 156215, 165170, 260620, 312430, 330340, 624860, 2593169, 5186338, 10372676, 12965845, 25931690, 51863380]

約数ペア:

[(1, 51863380), (2, 25931690), (4, 12965845), (5, 10372676), (10, 5186338), (20, 2593169), (83, 624860), (157, 330340), (166, 312430), (199, 260620), (314, 165170), (332, 156215), (398, 130310), (415, 124972), (628, 82585), (785, 66068), (796, 65155), (830, 62486), (995, 52124), (1570, 33034), (1660, 31243), (1990, 26062), (3140, 16517), (3980, 13031)]