42470291875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 59175857664

約数和(自身を除く): 16705565789

約数列:

[1, 5, 11, 25, 55, 71, 125, 167, 275, 355, 521, 625, 781, 835, 1375, 1775, 1837, 2605, 3905, 4175, 5731, 6875, 8875, 9185, 11857, 13025, 19525, 20875, 28655, 36991, 44375, 45925, 59285, 65125, 87007, 97625, 104375, 130427, 143275, 184955, 229625, 296425, 325625, 406901, 435035, 488125, 652135, 716375, 924775, 957077, 1148125, 1482125, 2034505, 2175175, 3260675, 3581875, 4623875, 4785385, 6177497, 7410625, 10172525, 10875875, 16303375, 23119375, 23926925, 30887485, 50862625, 54379375, 67952467, 81516875, 119634625, 154437425, 254313125, 339762335, 598173125, 772187125, 1698811675, 3860935625, 8494058375, 42470291875]

約数ペア:

[(1, 42470291875), (5, 8494058375), (11, 3860935625), (25, 1698811675), (55, 772187125), (71, 598173125), (125, 339762335), (167, 254313125), (275, 154437425), (355, 119634625), (521, 81516875), (625, 67952467), (781, 54379375), (835, 50862625), (1375, 30887485), (1775, 23926925), (1837, 23119375), (2605, 16303375), (3905, 10875875), (4175, 10172525), (5731, 7410625), (6875, 6177497), (8875, 4785385), (9185, 4623875), (11857, 3581875), (13025, 3260675), (19525, 2175175), (20875, 2034505), (28655, 1482125), (36991, 1148125), (44375, 957077), (45925, 924775), (59285, 716375), (65125, 652135), (87007, 488125), (97625, 435035), (104375, 406901), (130427, 325625), (143275, 296425), (184955, 229625)]