39200120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 92240640

約数和(自身を除く): 53040520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 313, 404, 505, 620, 626, 808, 1010, 1240, 1252, 1565, 2020, 2504, 3130, 3131, 4040, 6260, 6262, 9703, 12520, 12524, 15655, 19406, 25048, 31310, 31613, 38812, 48515, 62620, 63226, 77624, 97030, 125240, 126452, 158065, 194060, 252904, 316130, 388120, 632260, 980003, 1264520, 1960006, 3920012, 4900015, 7840024, 9800030, 19600060, 39200120]

約数ペア:

[(1, 39200120), (2, 19600060), (4, 9800030), (5, 7840024), (8, 4900015), (10, 3920012), (20, 1960006), (31, 1264520), (40, 980003), (62, 632260), (101, 388120), (124, 316130), (155, 252904), (202, 194060), (248, 158065), (310, 126452), (313, 125240), (404, 97030), (505, 77624), (620, 63226), (626, 62620), (808, 48515), (1010, 38812), (1240, 31613), (1252, 31310), (1565, 25048), (2020, 19406), (2504, 15655), (3130, 12524), (3131, 12520), (4040, 9703), (6260, 6262)]