38896520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 95135040

約数和(自身を除く): 56238520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 571, 655, 1048, 1142, 1310, 1703, 2284, 2620, 2855, 3406, 4568, 5240, 5710, 6812, 7423, 8515, 11420, 13624, 14846, 17030, 22840, 29692, 34060, 37115, 59384, 68120, 74230, 74801, 148460, 149602, 296920, 299204, 374005, 598408, 748010, 972413, 1496020, 1944826, 2992040, 3889652, 4862065, 7779304, 9724130, 19448260, 38896520]

約数ペア:

[(1, 38896520), (2, 19448260), (4, 9724130), (5, 7779304), (8, 4862065), (10, 3889652), (13, 2992040), (20, 1944826), (26, 1496020), (40, 972413), (52, 748010), (65, 598408), (104, 374005), (130, 299204), (131, 296920), (260, 149602), (262, 148460), (520, 74801), (524, 74230), (571, 68120), (655, 59384), (1048, 37115), (1142, 34060), (1310, 29692), (1703, 22840), (2284, 17030), (2620, 14846), (2855, 13624), (3406, 11420), (4568, 8515), (5240, 7423), (5710, 6812)]