320950688

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 655361280

約数和(自身を除く): 334410592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 496, 502, 992, 1004, 1289, 2008, 2578, 4016, 5156, 7781, 8032, 10312, 15562, 20624, 31124, 39959, 41248, 62248, 79918, 124496, 159836, 248992, 319672, 323539, 639344, 647078, 1278688, 1294156, 2588312, 5176624, 10029709, 10353248, 20059418, 40118836, 80237672, 160475344, 320950688]

約数ペア:

[(1, 320950688), (2, 160475344), (4, 80237672), (8, 40118836), (16, 20059418), (31, 10353248), (32, 10029709), (62, 5176624), (124, 2588312), (248, 1294156), (251, 1278688), (496, 647078), (502, 639344), (992, 323539), (1004, 319672), (1289, 248992), (2008, 159836), (2578, 124496), (4016, 79918), (5156, 62248), (7781, 41248), (8032, 39959), (10312, 31124), (15562, 20624)]