39973460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 89948880

約数和(自身を除く): 49975420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1321, 1513, 1780, 2642, 3026, 5284, 6052, 6605, 7565, 13210, 15130, 22457, 26420, 30260, 44914, 89828, 112285, 117569, 224570, 235138, 449140, 470276, 587845, 1175690, 1998673, 2351380, 3997346, 7994692, 9993365, 19986730, 39973460]

約数ペア:

[(1, 39973460), (2, 19986730), (4, 9993365), (5, 7994692), (10, 3997346), (17, 2351380), (20, 1998673), (34, 1175690), (68, 587845), (85, 470276), (89, 449140), (170, 235138), (178, 224570), (340, 117569), (356, 112285), (445, 89828), (890, 44914), (1321, 30260), (1513, 26420), (1780, 22457), (2642, 15130), (3026, 13210), (5284, 7565), (6052, 6605)]