80353984

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 166640256

約数和(自身を除く): 86286272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 124, 202, 248, 401, 404, 496, 802, 808, 992, 1604, 1616, 1984, 3131, 3208, 3232, 6262, 6416, 6464, 12431, 12524, 12832, 24862, 25048, 25664, 40501, 49724, 50096, 81002, 99448, 100192, 162004, 198896, 200384, 324008, 397792, 648016, 795584, 1255531, 1296032, 2511062, 2592064, 5022124, 10044248, 20088496, 40176992, 80353984]

約数ペア:

[(1, 80353984), (2, 40176992), (4, 20088496), (8, 10044248), (16, 5022124), (31, 2592064), (32, 2511062), (62, 1296032), (64, 1255531), (101, 795584), (124, 648016), (202, 397792), (248, 324008), (401, 200384), (404, 198896), (496, 162004), (802, 100192), (808, 99448), (992, 81002), (1604, 50096), (1616, 49724), (1984, 40501), (3131, 25664), (3208, 25048), (3232, 24862), (6262, 12832), (6416, 12524), (6464, 12431)]