9913040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 25190352

約数和(自身を除く): 15277312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 197, 272, 296, 340, 370, 394, 592, 629, 680, 740, 788, 985, 1258, 1360, 1480, 1576, 1970, 2516, 2960, 3145, 3152, 3349, 3940, 5032, 6290, 6698, 7289, 7880, 10064, 12580, 13396, 14578, 15760, 16745, 25160, 26792, 29156, 33490, 36445, 50320, 53584, 58312, 66980, 72890, 116624, 123913, 133960, 145780, 247826, 267920, 291560, 495652, 583120, 619565, 991304, 1239130, 1982608, 2478260, 4956520, 9913040]

約数ペア:

[(1, 9913040), (2, 4956520), (4, 2478260), (5, 1982608), (8, 1239130), (10, 991304), (16, 619565), (17, 583120), (20, 495652), (34, 291560), (37, 267920), (40, 247826), (68, 145780), (74, 133960), (80, 123913), (85, 116624), (136, 72890), (148, 66980), (170, 58312), (185, 53584), (197, 50320), (272, 36445), (296, 33490), (340, 29156), (370, 26792), (394, 25160), (592, 16745), (629, 15760), (680, 14578), (740, 13396), (788, 12580), (985, 10064), (1258, 7880), (1360, 7289), (1480, 6698), (1576, 6290), (1970, 5032), (2516, 3940), (2960, 3349), (3145, 3152)]