64484060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 145061280

約数和(自身を除く): 80577220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2131, 3026, 4262, 6052, 7565, 8524, 10655, 15130, 21310, 30260, 36227, 42620, 72454, 144908, 181135, 189659, 362270, 379318, 724540, 758636, 948295, 1896590, 3224203, 3793180, 6448406, 12896812, 16121015, 32242030, 64484060]

約数ペア:

[(1, 64484060), (2, 32242030), (4, 16121015), (5, 12896812), (10, 6448406), (17, 3793180), (20, 3224203), (34, 1896590), (68, 948295), (85, 758636), (89, 724540), (170, 379318), (178, 362270), (340, 189659), (356, 181135), (445, 144908), (890, 72454), (1513, 42620), (1780, 36227), (2131, 30260), (3026, 21310), (4262, 15130), (6052, 10655), (7565, 8524)]