71220880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38707}}^1$

素因数の和:38743

約数の個数: 40

約数和(自身を含む): 172792512

約数和(自身を除く): 101571632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 38707, 77414, 154828, 193535, 309656, 387070, 619312, 774140, 890261, 1548280, 1780522, 3096560, 3561044, 4451305, 7122088, 8902610, 14244176, 17805220, 35610440, 71220880]

約数ペア:

[(1, 71220880), (2, 35610440), (4, 17805220), (5, 14244176), (8, 8902610), (10, 7122088), (16, 4451305), (20, 3561044), (23, 3096560), (40, 1780522), (46, 1548280), (80, 890261), (92, 774140), (115, 619312), (184, 387070), (230, 309656), (368, 193535), (460, 154828), (920, 77414), (1840, 38707)]