1956553040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{30841}}^1$

素因数の和:30928

約数の個数: 80

約数和(自身を含む): 4979379216

約数和(自身を除く): 3022826176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 30841, 31720, 61682, 63440, 123364, 154205, 246728, 308410, 400933, 493456, 616820, 801866, 1233640, 1603732, 1881301, 2004665, 2467280, 3207464, 3762602, 4009330, 6414928, 7525204, 8018660, 9406505, 15050408, 16037320, 18813010, 24456913, 30100816, 32074640, 37626020, 48913826, 75252040, 97827652, 122284565, 150504080, 195655304, 244569130, 391310608, 489138260, 978276520, 1956553040]

約数ペア:

[(1, 1956553040), (2, 978276520), (4, 489138260), (5, 391310608), (8, 244569130), (10, 195655304), (13, 150504080), (16, 122284565), (20, 97827652), (26, 75252040), (40, 48913826), (52, 37626020), (61, 32074640), (65, 30100816), (80, 24456913), (104, 18813010), (122, 16037320), (130, 15050408), (208, 9406505), (244, 8018660), (260, 7525204), (305, 6414928), (488, 4009330), (520, 3762602), (610, 3207464), (793, 2467280), (976, 2004665), (1040, 1881301), (1220, 1603732), (1586, 1233640), (2440, 801866), (3172, 616820), (3965, 493456), (4880, 400933), (6344, 308410), (7930, 246728), (12688, 154205), (15860, 123364), (30841, 63440), (31720, 61682)]