26819260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 38801540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 89, 95, 122, 130, 178, 190, 244, 247, 260, 305, 356, 380, 445, 494, 610, 793, 890, 988, 1157, 1159, 1220, 1235, 1586, 1691, 1780, 2314, 2318, 2470, 3172, 3382, 3965, 4628, 4636, 4940, 5429, 5785, 5795, 6764, 7930, 8455, 10858, 11570, 11590, 15067, 15860, 16910, 21716, 21983, 23140, 23180, 27145, 30134, 33820, 43966, 54290, 60268, 70577, 75335, 87932, 103151, 108580, 109915, 141154, 150670, 206302, 219830, 282308, 301340, 352885, 412604, 439660, 515755, 705770, 1031510, 1340963, 1411540, 2063020, 2681926, 5363852, 6704815, 13409630, 26819260]

約数ペア:

[(1, 26819260), (2, 13409630), (4, 6704815), (5, 5363852), (10, 2681926), (13, 2063020), (19, 1411540), (20, 1340963), (26, 1031510), (38, 705770), (52, 515755), (61, 439660), (65, 412604), (76, 352885), (89, 301340), (95, 282308), (122, 219830), (130, 206302), (178, 150670), (190, 141154), (244, 109915), (247, 108580), (260, 103151), (305, 87932), (356, 75335), (380, 70577), (445, 60268), (494, 54290), (610, 43966), (793, 33820), (890, 30134), (988, 27145), (1157, 23180), (1159, 23140), (1220, 21983), (1235, 21716), (1586, 16910), (1691, 15860), (1780, 15067), (2314, 11590), (2318, 11570), (2470, 10858), (3172, 8455), (3382, 7930), (3965, 6764), (4628, 5795), (4636, 5785), (4940, 5429)]