64520560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62039}}^1$

素因数の和:62065

約数の個数: 40

約数和(自身を含む): 161552160

約数和(自身を除く): 97031600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62039, 124078, 248156, 310195, 496312, 620390, 806507, 992624, 1240780, 1613014, 2481560, 3226028, 4032535, 4963120, 6452056, 8065070, 12904112, 16130140, 32260280, 64520560]

約数ペア:

[(1, 64520560), (2, 32260280), (4, 16130140), (5, 12904112), (8, 8065070), (10, 6452056), (13, 4963120), (16, 4032535), (20, 3226028), (26, 2481560), (40, 1613014), (52, 1240780), (65, 992624), (80, 806507), (104, 620390), (130, 496312), (208, 310195), (260, 248156), (520, 124078), (1040, 62039)]