65512900

素因数分解:

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

素因数の和:553

約数の個数: 72

約数和(自身を含む): 152568360

約数和(自身を除く): 87055460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 433, 445, 850, 866, 890, 1513, 1700, 1732, 1780, 2165, 2225, 3026, 4330, 4450, 6052, 7361, 7565, 8660, 8900, 10825, 14722, 15130, 21650, 29444, 30260, 36805, 37825, 38537, 43300, 73610, 75650, 77074, 147220, 151300, 154148, 184025, 192685, 368050, 385370, 655129, 736100, 770740, 963425, 1310258, 1926850, 2620516, 3275645, 3853700, 6551290, 13102580, 16378225, 32756450, 65512900]

約数ペア:

[(1, 65512900), (2, 32756450), (4, 16378225), (5, 13102580), (10, 6551290), (17, 3853700), (20, 3275645), (25, 2620516), (34, 1926850), (50, 1310258), (68, 963425), (85, 770740), (89, 736100), (100, 655129), (170, 385370), (178, 368050), (340, 192685), (356, 184025), (425, 154148), (433, 151300), (445, 147220), (850, 77074), (866, 75650), (890, 73610), (1513, 43300), (1700, 38537), (1732, 37825), (1780, 36805), (2165, 30260), (2225, 29444), (3026, 21650), (4330, 15130), (4450, 14722), (6052, 10825), (7361, 8900), (7565, 8660)]