815061040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{77773}}^1$

素因数の和:77917

約数の個数: 40

約数和(自身を含む): 1909507248

約数和(自身を除く): 1094446208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 77773, 155546, 311092, 388865, 622184, 777730, 1244368, 1555460, 3110920, 6221840, 10188263, 20376526, 40753052, 50941315, 81506104, 101882630, 163012208, 203765260, 407530520, 815061040]

約数ペア:

[(1, 815061040), (2, 407530520), (4, 203765260), (5, 163012208), (8, 101882630), (10, 81506104), (16, 50941315), (20, 40753052), (40, 20376526), (80, 10188263), (131, 6221840), (262, 3110920), (524, 1555460), (655, 1244368), (1048, 777730), (1310, 622184), (2096, 388865), (2620, 311092), (5240, 155546), (10480, 77773)]