50601980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 125619984

約数和(自身を除く): 75018004

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1361, 1430, 1690, 1859, 2722, 2860, 3380, 3718, 5444, 6805, 7436, 9295, 13610, 14971, 17693, 18590, 27220, 29942, 35386, 37180, 59884, 70772, 74855, 88465, 149710, 176930, 194623, 230009, 299420, 353860, 389246, 460018, 778492, 920036, 973115, 1150045, 1946230, 2300090, 2530099, 3892460, 4600180, 5060198, 10120396, 12650495, 25300990, 50601980]

約数ペア:

[(1, 50601980), (2, 25300990), (4, 12650495), (5, 10120396), (10, 5060198), (11, 4600180), (13, 3892460), (20, 2530099), (22, 2300090), (26, 1946230), (44, 1150045), (52, 973115), (55, 920036), (65, 778492), (110, 460018), (130, 389246), (143, 353860), (169, 299420), (220, 230009), (260, 194623), (286, 176930), (338, 149710), (572, 88465), (676, 74855), (715, 70772), (845, 59884), (1361, 37180), (1430, 35386), (1690, 29942), (1859, 27220), (2722, 18590), (2860, 17693), (3380, 14971), (3718, 13610), (5444, 9295), (6805, 7436)]