200890239920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81004129}}^1$

素因数の和:81004173

約数の個数: 40

約数和(自身を含む): 482136581760

約数和(自身を除く): 281246341840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81004129, 162008258, 324016516, 405020645, 648033032, 810041290, 1296066064, 1620082580, 2511127999, 3240165160, 5022255998, 6480330320, 10044511996, 12555639995, 20089023992, 25111279990, 40178047984, 50222559980, 100445119960, 200890239920]

約数ペア:

[(1, 200890239920), (2, 100445119960), (4, 50222559980), (5, 40178047984), (8, 25111279990), (10, 20089023992), (16, 12555639995), (20, 10044511996), (31, 6480330320), (40, 5022255998), (62, 3240165160), (80, 2511127999), (124, 1620082580), (155, 1296066064), (248, 810041290), (310, 648033032), (496, 405020645), (620, 324016516), (1240, 162008258), (2480, 81004129)]