2551374400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{51439}}^1$

素因数の和:51492

約数の個数: 84

約数和(自身を含む): 6480616960

約数和(自身を除く): 3929242560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 9920, 12400, 24800, 49600, 51439, 102878, 205756, 257195, 411512, 514390, 823024, 1028780, 1285975, 1594609, 1646048, 2057560, 2571950, 3189218, 3292096, 4115120, 5143900, 6378436, 7973045, 8230240, 10287800, 12756872, 15946090, 16460480, 20575600, 25513744, 31892180, 39865225, 41151200, 51027488, 63784360, 79730450, 82302400, 102054976, 127568720, 159460900, 255137440, 318921800, 510274880, 637843600, 1275687200, 2551374400]

約数ペア:

[(1, 2551374400), (2, 1275687200), (4, 637843600), (5, 510274880), (8, 318921800), (10, 255137440), (16, 159460900), (20, 127568720), (25, 102054976), (31, 82302400), (32, 79730450), (40, 63784360), (50, 51027488), (62, 41151200), (64, 39865225), (80, 31892180), (100, 25513744), (124, 20575600), (155, 16460480), (160, 15946090), (200, 12756872), (248, 10287800), (310, 8230240), (320, 7973045), (400, 6378436), (496, 5143900), (620, 4115120), (775, 3292096), (800, 3189218), (992, 2571950), (1240, 2057560), (1550, 1646048), (1600, 1594609), (1984, 1285975), (2480, 1028780), (3100, 823024), (4960, 514390), (6200, 411512), (9920, 257195), (12400, 205756), (24800, 102878), (49600, 51439)]