45715000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 110214720

約数和(自身を除く): 64499720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 223, 250, 328, 410, 446, 500, 625, 820, 892, 1000, 1025, 1115, 1250, 1640, 1784, 2050, 2230, 2500, 4100, 4460, 5000, 5125, 5575, 8200, 8920, 9143, 10250, 11150, 18286, 20500, 22300, 25625, 27875, 36572, 41000, 44600, 45715, 51250, 55750, 73144, 91430, 102500, 111500, 139375, 182860, 205000, 223000, 228575, 278750, 365720, 457150, 557500, 914300, 1115000, 1142875, 1828600, 2285750, 4571500, 5714375, 9143000, 11428750, 22857500, 45715000]

約数ペア:

[(1, 45715000), (2, 22857500), (4, 11428750), (5, 9143000), (8, 5714375), (10, 4571500), (20, 2285750), (25, 1828600), (40, 1142875), (41, 1115000), (50, 914300), (82, 557500), (100, 457150), (125, 365720), (164, 278750), (200, 228575), (205, 223000), (223, 205000), (250, 182860), (328, 139375), (410, 111500), (446, 102500), (500, 91430), (625, 73144), (820, 55750), (892, 51250), (1000, 45715), (1025, 44600), (1115, 41000), (1250, 36572), (1640, 27875), (1784, 25625), (2050, 22300), (2230, 20500), (2500, 18286), (4100, 11150), (4460, 10250), (5000, 9143), (5125, 8920), (5575, 8200)]