13620880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1904

約数の個数: 80

約数和(自身を含む): 38997504

約数和(自身を除く): 25376624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 1871, 3640, 3742, 7280, 7484, 9355, 13097, 14968, 18710, 24323, 26194, 29936, 37420, 48646, 52388, 65485, 74840, 97292, 104776, 121615, 130970, 149680, 170261, 194584, 209552, 243230, 261940, 340522, 389168, 486460, 523880, 681044, 851305, 972920, 1047760, 1362088, 1702610, 1945840, 2724176, 3405220, 6810440, 13620880]

約数ペア:

[(1, 13620880), (2, 6810440), (4, 3405220), (5, 2724176), (7, 1945840), (8, 1702610), (10, 1362088), (13, 1047760), (14, 972920), (16, 851305), (20, 681044), (26, 523880), (28, 486460), (35, 389168), (40, 340522), (52, 261940), (56, 243230), (65, 209552), (70, 194584), (80, 170261), (91, 149680), (104, 130970), (112, 121615), (130, 104776), (140, 97292), (182, 74840), (208, 65485), (260, 52388), (280, 48646), (364, 37420), (455, 29936), (520, 26194), (560, 24323), (728, 18710), (910, 14968), (1040, 13097), (1456, 9355), (1820, 7484), (1871, 7280), (3640, 3742)]