83971000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 198300960

約数和(自身を除く): 114329960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 262, 500, 524, 641, 655, 1000, 1048, 1282, 1310, 2564, 2620, 3205, 3275, 5128, 5240, 6410, 6550, 12820, 13100, 16025, 16375, 25640, 26200, 32050, 32750, 64100, 65500, 80125, 83971, 128200, 131000, 160250, 167942, 320500, 335884, 419855, 641000, 671768, 839710, 1679420, 2099275, 3358840, 4198550, 8397100, 10496375, 16794200, 20992750, 41985500, 83971000]

約数ペア:

[(1, 83971000), (2, 41985500), (4, 20992750), (5, 16794200), (8, 10496375), (10, 8397100), (20, 4198550), (25, 3358840), (40, 2099275), (50, 1679420), (100, 839710), (125, 671768), (131, 641000), (200, 419855), (250, 335884), (262, 320500), (500, 167942), (524, 160250), (641, 131000), (655, 128200), (1000, 83971), (1048, 80125), (1282, 65500), (1310, 64100), (2564, 32750), (2620, 32050), (3205, 26200), (3275, 25640), (5128, 16375), (5240, 16025), (6410, 13100), (6550, 12820)]