39054640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 94654656

約数和(自身を除く): 55600016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 106, 122, 151, 212, 244, 265, 302, 305, 424, 488, 530, 604, 610, 755, 848, 976, 1060, 1208, 1220, 1510, 2120, 2416, 2440, 3020, 3233, 4240, 4880, 6040, 6466, 8003, 9211, 12080, 12932, 16006, 16165, 18422, 25864, 32012, 32330, 36844, 40015, 46055, 51728, 64024, 64660, 73688, 80030, 92110, 128048, 129320, 147376, 160060, 184220, 258640, 320120, 368440, 488183, 640240, 736880, 976366, 1952732, 2440915, 3905464, 4881830, 7810928, 9763660, 19527320, 39054640]

約数ペア:

[(1, 39054640), (2, 19527320), (4, 9763660), (5, 7810928), (8, 4881830), (10, 3905464), (16, 2440915), (20, 1952732), (40, 976366), (53, 736880), (61, 640240), (80, 488183), (106, 368440), (122, 320120), (151, 258640), (212, 184220), (244, 160060), (265, 147376), (302, 129320), (305, 128048), (424, 92110), (488, 80030), (530, 73688), (604, 64660), (610, 64024), (755, 51728), (848, 46055), (976, 40015), (1060, 36844), (1208, 32330), (1220, 32012), (1510, 25864), (2120, 18422), (2416, 16165), (2440, 16006), (3020, 12932), (3233, 12080), (4240, 9211), (4880, 8003), (6040, 6466)]