72484880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69697}}^1$

素因数の和:69723

約数の個数: 40

約数和(自身を含む): 181493592

約数和(自身を除く): 109008712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69697, 139394, 278788, 348485, 557576, 696970, 906061, 1115152, 1393940, 1812122, 2787880, 3624244, 4530305, 5575760, 7248488, 9060610, 14496976, 18121220, 36242440, 72484880]

約数ペア:

[(1, 72484880), (2, 36242440), (4, 18121220), (5, 14496976), (8, 9060610), (10, 7248488), (13, 5575760), (16, 4530305), (20, 3624244), (26, 2787880), (40, 1812122), (52, 1393940), (65, 1115152), (80, 906061), (104, 696970), (130, 557576), (208, 348485), (260, 278788), (520, 139394), (1040, 69697)]