55187860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30323}}^1$

素因数の和:30352

約数の個数: 48

約数和(自身を含む): 142644096

約数和(自身を除く): 87456236

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30323, 60646, 121292, 151615, 212261, 303230, 394199, 424522, 606460, 788398, 849044, 1061305, 1576796, 1970995, 2122610, 2759393, 3941990, 4245220, 5518786, 7883980, 11037572, 13796965, 27593930, 55187860]

約数ペア:

[(1, 55187860), (2, 27593930), (4, 13796965), (5, 11037572), (7, 7883980), (10, 5518786), (13, 4245220), (14, 3941990), (20, 2759393), (26, 2122610), (28, 1970995), (35, 1576796), (52, 1061305), (65, 849044), (70, 788398), (91, 606460), (130, 424522), (140, 394199), (182, 303230), (260, 212261), (364, 151615), (455, 121292), (910, 60646), (1820, 30323)]