2055148840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{3677}}^1$

素因数の和:3934

約数の個数: 64

約数和(自身を含む): 4707104400

約数和(自身を除く): 2651955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 157, 178, 314, 356, 445, 628, 712, 785, 890, 1256, 1570, 1780, 3140, 3560, 3677, 6280, 7354, 13973, 14708, 18385, 27946, 29416, 36770, 55892, 69865, 73540, 111784, 139730, 147080, 279460, 327253, 558920, 577289, 654506, 1154578, 1309012, 1636265, 2309156, 2618024, 2886445, 3272530, 4618312, 5772890, 6545060, 11545780, 13090120, 23091560, 51378721, 102757442, 205514884, 256893605, 411029768, 513787210, 1027574420, 2055148840]

約数ペア:

[(1, 2055148840), (2, 1027574420), (4, 513787210), (5, 411029768), (8, 256893605), (10, 205514884), (20, 102757442), (40, 51378721), (89, 23091560), (157, 13090120), (178, 11545780), (314, 6545060), (356, 5772890), (445, 4618312), (628, 3272530), (712, 2886445), (785, 2618024), (890, 2309156), (1256, 1636265), (1570, 1309012), (1780, 1154578), (3140, 654506), (3560, 577289), (3677, 558920), (6280, 327253), (7354, 279460), (13973, 147080), (14708, 139730), (18385, 111784), (27946, 73540), (29416, 69865), (36770, 55892)]