996834640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3847}}^1$

素因数の和:3980

約数の個数: 80

約数和(自身を含む): 2404846080

約数和(自身を除く): 1408011440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 395, 410, 632, 656, 790, 820, 1264, 1580, 1640, 3160, 3239, 3280, 3847, 6320, 6478, 7694, 12956, 15388, 16195, 19235, 25912, 30776, 32390, 38470, 51824, 61552, 64780, 76940, 129560, 153880, 157727, 259120, 303913, 307760, 315454, 607826, 630908, 788635, 1215652, 1261816, 1519565, 1577270, 2431304, 2523632, 3039130, 3154540, 4862608, 6078260, 6309080, 12156520, 12460433, 12618160, 24313040, 24920866, 49841732, 62302165, 99683464, 124604330, 199366928, 249208660, 498417320, 996834640]

約数ペア:

[(1, 996834640), (2, 498417320), (4, 249208660), (5, 199366928), (8, 124604330), (10, 99683464), (16, 62302165), (20, 49841732), (40, 24920866), (41, 24313040), (79, 12618160), (80, 12460433), (82, 12156520), (158, 6309080), (164, 6078260), (205, 4862608), (316, 3154540), (328, 3039130), (395, 2523632), (410, 2431304), (632, 1577270), (656, 1519565), (790, 1261816), (820, 1215652), (1264, 788635), (1580, 630908), (1640, 607826), (3160, 315454), (3239, 307760), (3280, 303913), (3847, 259120), (6320, 157727), (6478, 153880), (7694, 129560), (12956, 76940), (15388, 64780), (16195, 61552), (19235, 51824), (25912, 38470), (30776, 32390)]