55790020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19507}}^1$

素因数の和:19540

約数の個数: 48

約数和(自身を含む): 137648448

約数和(自身を除く): 81858428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 19507, 39014, 78028, 97535, 195070, 214577, 253591, 390140, 429154, 507182, 858308, 1014364, 1072885, 1267955, 2145770, 2535910, 2789501, 4291540, 5071820, 5579002, 11158004, 13947505, 27895010, 55790020]

約数ペア:

[(1, 55790020), (2, 27895010), (4, 13947505), (5, 11158004), (10, 5579002), (11, 5071820), (13, 4291540), (20, 2789501), (22, 2535910), (26, 2145770), (44, 1267955), (52, 1072885), (55, 1014364), (65, 858308), (110, 507182), (130, 429154), (143, 390140), (220, 253591), (260, 214577), (286, 195070), (572, 97535), (715, 78028), (1430, 39014), (2860, 19507)]