65139980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 152832960

約数和(自身を除く): 87692980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 41, 74, 76, 82, 95, 113, 148, 164, 185, 190, 205, 226, 370, 380, 410, 452, 565, 703, 740, 779, 820, 1130, 1406, 1517, 1558, 2147, 2260, 2812, 3034, 3116, 3515, 3895, 4181, 4294, 4633, 6068, 7030, 7585, 7790, 8362, 8588, 9266, 10735, 14060, 15170, 15580, 16724, 18532, 20905, 21470, 23165, 28823, 30340, 41810, 42940, 46330, 57646, 79439, 83620, 88027, 92660, 115292, 144115, 158878, 171421, 176054, 288230, 317756, 342842, 352108, 397195, 440135, 576460, 685684, 794390, 857105, 880270, 1588780, 1714210, 1760540, 3256999, 3428420, 6513998, 13027996, 16284995, 32569990, 65139980]

約数ペア:

[(1, 65139980), (2, 32569990), (4, 16284995), (5, 13027996), (10, 6513998), (19, 3428420), (20, 3256999), (37, 1760540), (38, 1714210), (41, 1588780), (74, 880270), (76, 857105), (82, 794390), (95, 685684), (113, 576460), (148, 440135), (164, 397195), (185, 352108), (190, 342842), (205, 317756), (226, 288230), (370, 176054), (380, 171421), (410, 158878), (452, 144115), (565, 115292), (703, 92660), (740, 88027), (779, 83620), (820, 79439), (1130, 57646), (1406, 46330), (1517, 42940), (1558, 41810), (2147, 30340), (2260, 28823), (2812, 23165), (3034, 21470), (3116, 20905), (3515, 18532), (3895, 16724), (4181, 15580), (4294, 15170), (4633, 14060), (6068, 10735), (7030, 9266), (7585, 8588), (7790, 8362)]