51771980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 117863424

約数和(自身を除く): 66091444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1151, 1730, 2249, 2302, 3460, 4498, 4604, 5755, 8996, 11245, 11510, 14963, 22490, 23020, 29926, 44980, 59852, 74815, 149630, 199123, 299260, 398246, 796492, 995615, 1991230, 2588599, 3982460, 5177198, 10354396, 12942995, 25885990, 51771980]

約数ペア:

[(1, 51771980), (2, 25885990), (4, 12942995), (5, 10354396), (10, 5177198), (13, 3982460), (20, 2588599), (26, 1991230), (52, 995615), (65, 796492), (130, 398246), (173, 299260), (260, 199123), (346, 149630), (692, 74815), (865, 59852), (1151, 44980), (1730, 29926), (2249, 23020), (2302, 22490), (3460, 14963), (4498, 11510), (4604, 11245), (5755, 8996)]