39959940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1039}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 112170240

約数和(自身を除く): 72210300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1039, 1282, 1923, 2078, 2564, 3117, 3205, 3846, 4156, 5195, 6234, 6410, 7692, 9615, 10390, 12468, 12820, 15585, 19230, 20780, 31170, 38460, 62340, 665999, 1331998, 1997997, 2663996, 3329995, 3995994, 6659990, 7991988, 9989985, 13319980, 19979970, 39959940]

約数ペア:

[(1, 39959940), (2, 19979970), (3, 13319980), (4, 9989985), (5, 7991988), (6, 6659990), (10, 3995994), (12, 3329995), (15, 2663996), (20, 1997997), (30, 1331998), (60, 665999), (641, 62340), (1039, 38460), (1282, 31170), (1923, 20780), (2078, 19230), (2564, 15585), (3117, 12820), (3205, 12468), (3846, 10390), (4156, 9615), (5195, 7692), (6234, 6410)]