66543520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4673}}^1$

素因数の和:4777

約数の個数: 48

約数和(自身を含む): 159009480

約数和(自身を除く): 92465960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4673, 7120, 9346, 14240, 18692, 23365, 37384, 46730, 74768, 93460, 149536, 186920, 373840, 415897, 747680, 831794, 1663588, 2079485, 3327176, 4158970, 6654352, 8317940, 13308704, 16635880, 33271760, 66543520]

約数ペア:

[(1, 66543520), (2, 33271760), (4, 16635880), (5, 13308704), (8, 8317940), (10, 6654352), (16, 4158970), (20, 3327176), (32, 2079485), (40, 1663588), (80, 831794), (89, 747680), (160, 415897), (178, 373840), (356, 186920), (445, 149536), (712, 93460), (890, 74768), (1424, 46730), (1780, 37384), (2848, 23365), (3560, 18692), (4673, 14240), (7120, 9346)]