28932520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 67839120

約数和(自身を除く): 38906600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 173, 185, 226, 296, 346, 370, 452, 565, 692, 740, 865, 904, 1130, 1384, 1480, 1730, 2260, 3460, 4181, 4520, 6401, 6920, 8362, 12802, 16724, 19549, 20905, 25604, 32005, 33448, 39098, 41810, 51208, 64010, 78196, 83620, 97745, 128020, 156392, 167240, 195490, 256040, 390980, 723313, 781960, 1446626, 2893252, 3616565, 5786504, 7233130, 14466260, 28932520]

約数ペア:

[(1, 28932520), (2, 14466260), (4, 7233130), (5, 5786504), (8, 3616565), (10, 2893252), (20, 1446626), (37, 781960), (40, 723313), (74, 390980), (113, 256040), (148, 195490), (173, 167240), (185, 156392), (226, 128020), (296, 97745), (346, 83620), (370, 78196), (452, 64010), (565, 51208), (692, 41810), (740, 39098), (865, 33448), (904, 32005), (1130, 25604), (1384, 20905), (1480, 19549), (1730, 16724), (2260, 12802), (3460, 8362), (4181, 6920), (4520, 6401)]