2018488520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1\times {\mathrm{773}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 4601182320

約数和(自身を除く): 2582693800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 673, 773, 776, 970, 1346, 1546, 1940, 2692, 3092, 3365, 3865, 3880, 5384, 6184, 6730, 7730, 13460, 15460, 26920, 30920, 65281, 74981, 130562, 149962, 261124, 299924, 326405, 374905, 520229, 522248, 599848, 652810, 749810, 1040458, 1305620, 1499620, 2080916, 2601145, 2611240, 2999240, 4161832, 5202290, 10404580, 20809160, 50462213, 100924426, 201848852, 252311065, 403697704, 504622130, 1009244260, 2018488520]

約数ペア:

[(1, 2018488520), (2, 1009244260), (4, 504622130), (5, 403697704), (8, 252311065), (10, 201848852), (20, 100924426), (40, 50462213), (97, 20809160), (194, 10404580), (388, 5202290), (485, 4161832), (673, 2999240), (773, 2611240), (776, 2601145), (970, 2080916), (1346, 1499620), (1546, 1305620), (1940, 1040458), (2692, 749810), (3092, 652810), (3365, 599848), (3865, 522248), (3880, 520229), (5384, 374905), (6184, 326405), (6730, 299924), (7730, 261124), (13460, 149962), (15460, 130562), (26920, 74981), (30920, 65281)]