1993669280

素因数分解:

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

素因数の和:3982

約数の個数: 96

約数和(自身を含む): 4887267840

約数和(自身を除く): 2893598560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 79, 80, 82, 158, 160, 164, 205, 316, 328, 395, 410, 632, 656, 790, 820, 1264, 1312, 1580, 1640, 2528, 3160, 3239, 3280, 3847, 6320, 6478, 6560, 7694, 12640, 12956, 15388, 16195, 19235, 25912, 30776, 32390, 38470, 51824, 61552, 64780, 76940, 103648, 123104, 129560, 153880, 157727, 259120, 303913, 307760, 315454, 518240, 607826, 615520, 630908, 788635, 1215652, 1261816, 1519565, 1577270, 2431304, 2523632, 3039130, 3154540, 4862608, 5047264, 6078260, 6309080, 9725216, 12156520, 12460433, 12618160, 24313040, 24920866, 25236320, 48626080, 49841732, 62302165, 99683464, 124604330, 199366928, 249208660, 398733856, 498417320, 996834640, 1993669280]

約数ペア:

[(1, 1993669280), (2, 996834640), (4, 498417320), (5, 398733856), (8, 249208660), (10, 199366928), (16, 124604330), (20, 99683464), (32, 62302165), (40, 49841732), (41, 48626080), (79, 25236320), (80, 24920866), (82, 24313040), (158, 12618160), (160, 12460433), (164, 12156520), (205, 9725216), (316, 6309080), (328, 6078260), (395, 5047264), (410, 4862608), (632, 3154540), (656, 3039130), (790, 2523632), (820, 2431304), (1264, 1577270), (1312, 1519565), (1580, 1261816), (1640, 1215652), (2528, 788635), (3160, 630908), (3239, 615520), (3280, 607826), (3847, 518240), (6320, 315454), (6478, 307760), (6560, 303913), (7694, 259120), (12640, 157727), (12956, 153880), (15388, 129560), (16195, 123104), (19235, 103648), (25912, 76940), (30776, 64780), (32390, 61552), (38470, 51824)]