64272650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 130934328

約数和(自身を除く): 66661678

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1525, 1586, 1621, 3050, 3242, 3965, 7930, 8105, 16210, 19825, 21073, 39650, 40525, 42146, 81050, 98881, 105365, 197762, 210730, 494405, 526825, 988810, 1053650, 1285453, 2472025, 2570906, 4944050, 6427265, 12854530, 32136325, 64272650]

約数ペア:

[(1, 64272650), (2, 32136325), (5, 12854530), (10, 6427265), (13, 4944050), (25, 2570906), (26, 2472025), (50, 1285453), (61, 1053650), (65, 988810), (122, 526825), (130, 494405), (305, 210730), (325, 197762), (610, 105365), (650, 98881), (793, 81050), (1525, 42146), (1586, 40525), (1621, 39650), (3050, 21073), (3242, 19825), (3965, 16210), (7930, 8105)]