71378258125

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{12491}}^1$

素因数の和:12775

約数の個数: 40

約数和(自身を含む): 91786818816

約数和(自身を除く): 20408560691

約数列:

[1, 5, 25, 41, 125, 205, 223, 625, 1025, 1115, 5125, 5575, 9143, 12491, 25625, 27875, 45715, 62455, 139375, 228575, 312275, 512131, 1142875, 1561375, 2560655, 2785493, 5714375, 7806875, 12803275, 13927465, 64016375, 69637325, 114205213, 320081875, 348186625, 571026065, 1740933125, 2855130325, 14275651625, 71378258125]

約数ペア:

[(1, 71378258125), (5, 14275651625), (25, 2855130325), (41, 1740933125), (125, 571026065), (205, 348186625), (223, 320081875), (625, 114205213), (1025, 69637325), (1115, 64016375), (5125, 13927465), (5575, 12803275), (9143, 7806875), (12491, 5714375), (25625, 2785493), (27875, 2560655), (45715, 1561375), (62455, 1142875), (139375, 512131), (228575, 312275)]