1330679320

素因数分解:

$2^3\times 5^1\times {\mathrm{9013}}^1\times {\mathrm{3691}}^1$

素因数の和:12715

約数の個数: 32

約数和(自身を含む): 2995171920

約数和(自身を除く): 1664492600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3691, 7382, 9013, 14764, 18026, 18455, 29528, 36052, 36910, 45065, 72104, 73820, 90130, 147640, 180260, 360520, 33266983, 66533966, 133067932, 166334915, 266135864, 332669830, 665339660, 1330679320]

約数ペア:

[(1, 1330679320), (2, 665339660), (4, 332669830), (5, 266135864), (8, 166334915), (10, 133067932), (20, 66533966), (40, 33266983), (3691, 360520), (7382, 180260), (9013, 147640), (14764, 90130), (18026, 73820), (18455, 72104), (29528, 45065), (36052, 36910)]