19605625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 27991040

約数和(自身を除く): 8385415

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 127, 247, 325, 475, 625, 635, 1235, 1625, 1651, 2375, 2413, 3175, 6175, 8125, 8255, 11875, 12065, 15875, 30875, 31369, 41275, 60325, 79375, 154375, 156845, 206375, 301625, 784225, 1031875, 1508125, 3921125, 19605625]

約数ペア:

[(1, 19605625), (5, 3921125), (13, 1508125), (19, 1031875), (25, 784225), (65, 301625), (95, 206375), (125, 156845), (127, 154375), (247, 79375), (325, 60325), (475, 41275), (625, 31369), (635, 30875), (1235, 15875), (1625, 12065), (1651, 11875), (2375, 8255), (2413, 8125), (3175, 6175)]