29261720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7243}}^1$

素因数の和:7355

約数の個数: 32

約数和(自身を含む): 66499920

約数和(自身を除く): 37238200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7243, 14486, 28972, 36215, 57944, 72430, 144860, 289720, 731543, 1463086, 2926172, 3657715, 5852344, 7315430, 14630860, 29261720]

約数ペア:

[(1, 29261720), (2, 14630860), (4, 7315430), (5, 5852344), (8, 3657715), (10, 2926172), (20, 1463086), (40, 731543), (101, 289720), (202, 144860), (404, 72430), (505, 57944), (808, 36215), (1010, 28972), (2020, 14486), (4040, 7243)]