81534700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3301}}^1$

素因数の和:3347

約数の個数: 72

約数和(自身を含む): 200629520

約数和(自身を除く): 119094820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 3301, 4940, 6175, 6602, 12350, 13204, 16505, 24700, 33010, 42913, 62719, 66020, 82525, 85826, 125438, 165050, 171652, 214565, 250876, 313595, 330100, 429130, 627190, 815347, 858260, 1072825, 1254380, 1567975, 1630694, 2145650, 3135950, 3261388, 4076735, 4291300, 6271900, 8153470, 16306940, 20383675, 40767350, 81534700]

約数ペア:

[(1, 81534700), (2, 40767350), (4, 20383675), (5, 16306940), (10, 8153470), (13, 6271900), (19, 4291300), (20, 4076735), (25, 3261388), (26, 3135950), (38, 2145650), (50, 1630694), (52, 1567975), (65, 1254380), (76, 1072825), (95, 858260), (100, 815347), (130, 627190), (190, 429130), (247, 330100), (260, 313595), (325, 250876), (380, 214565), (475, 171652), (494, 165050), (650, 125438), (950, 85826), (988, 82525), (1235, 66020), (1300, 62719), (1900, 42913), (2470, 33010), (3301, 24700), (4940, 16505), (6175, 13204), (6602, 12350)]