13102580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 29529360

約数和(自身を除く): 16426780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 433, 445, 866, 890, 1513, 1732, 1780, 2165, 3026, 4330, 6052, 7361, 7565, 8660, 14722, 15130, 29444, 30260, 36805, 38537, 73610, 77074, 147220, 154148, 192685, 385370, 655129, 770740, 1310258, 2620516, 3275645, 6551290, 13102580]

約数ペア:

[(1, 13102580), (2, 6551290), (4, 3275645), (5, 2620516), (10, 1310258), (17, 770740), (20, 655129), (34, 385370), (68, 192685), (85, 154148), (89, 147220), (170, 77074), (178, 73610), (340, 38537), (356, 36805), (433, 30260), (445, 29444), (866, 15130), (890, 14722), (1513, 8660), (1732, 7565), (1780, 7361), (2165, 6052), (3026, 4330)]