79962940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 91497860

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 269, 334, 356, 445, 538, 668, 835, 890, 1076, 1345, 1670, 1780, 2690, 3340, 5380, 14863, 23941, 29726, 44923, 47882, 59452, 74315, 89846, 95764, 119705, 148630, 179692, 224615, 239410, 297260, 449230, 478820, 898460, 3998147, 7996294, 15992588, 19990735, 39981470, 79962940]

約数ペア:

[(1, 79962940), (2, 39981470), (4, 19990735), (5, 15992588), (10, 7996294), (20, 3998147), (89, 898460), (167, 478820), (178, 449230), (269, 297260), (334, 239410), (356, 224615), (445, 179692), (538, 148630), (668, 119705), (835, 95764), (890, 89846), (1076, 74315), (1345, 59452), (1670, 47882), (1780, 44923), (2690, 29726), (3340, 23941), (5380, 14863)]