26138420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1543}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 68998272

約数和(自身を除く): 42859852

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1543, 1694, 2420, 3086, 3388, 4235, 6172, 7715, 8470, 10801, 15430, 16940, 16973, 21602, 30860, 33946, 43204, 54005, 67892, 84865, 108010, 118811, 169730, 186703, 216020, 237622, 339460, 373406, 475244, 594055, 746812, 933515, 1188110, 1306921, 1867030, 2376220, 2613842, 3734060, 5227684, 6534605, 13069210, 26138420]

約数ペア:

[(1, 26138420), (2, 13069210), (4, 6534605), (5, 5227684), (7, 3734060), (10, 2613842), (11, 2376220), (14, 1867030), (20, 1306921), (22, 1188110), (28, 933515), (35, 746812), (44, 594055), (55, 475244), (70, 373406), (77, 339460), (110, 237622), (121, 216020), (140, 186703), (154, 169730), (220, 118811), (242, 108010), (308, 84865), (385, 67892), (484, 54005), (605, 43204), (770, 33946), (847, 30860), (1210, 21602), (1540, 16973), (1543, 16940), (1694, 15430), (2420, 10801), (3086, 8470), (3388, 7715), (4235, 6172)]