2013649040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{31741}}^1$

素因数の和:31828

約数の個数: 80

約数和(自身を含む): 5124682416

約数和(自身を除く): 3111033376

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, 31720, 31741, 63440, 63482, 126964, 158705, 253928, 317410, 412633, 507856, 634820, 825266, 1269640, 1650532, 1936201, 2063165, 2539280, 3301064, 3872402, 4126330, 6602128, 7744804, 8252660, 9681005, 15489608, 16505320, 19362010, 25170613, 30979216, 33010640, 38724020, 50341226, 77448040, 100682452, 125853065, 154896080, 201364904, 251706130, 402729808, 503412260, 1006824520, 2013649040]

約数ペア:

[(1, 2013649040), (2, 1006824520), (4, 503412260), (5, 402729808), (8, 251706130), (10, 201364904), (13, 154896080), (16, 125853065), (20, 100682452), (26, 77448040), (40, 50341226), (52, 38724020), (61, 33010640), (65, 30979216), (80, 25170613), (104, 19362010), (122, 16505320), (130, 15489608), (208, 9681005), (244, 8252660), (260, 7744804), (305, 6602128), (488, 4126330), (520, 3872402), (610, 3301064), (793, 2539280), (976, 2063165), (1040, 1936201), (1220, 1650532), (1586, 1269640), (2440, 825266), (3172, 634820), (3965, 507856), (4880, 412633), (6344, 317410), (7930, 253928), (12688, 158705), (15860, 126964), (31720, 63482), (31741, 63440)]