1660984940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{65239}}^1$

素因数の和:65334

約数の個数: 48

約数和(自身を含む): 3726508800

約数和(自身を除く): 2065523860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 12730, 25460, 65239, 130478, 260956, 326195, 652390, 1239541, 1304780, 2479082, 4371013, 4958164, 6197705, 8742026, 12395410, 17484052, 21855065, 24790820, 43710130, 83049247, 87420260, 166098494, 332196988, 415246235, 830492470, 1660984940]

約数ペア:

[(1, 1660984940), (2, 830492470), (4, 415246235), (5, 332196988), (10, 166098494), (19, 87420260), (20, 83049247), (38, 43710130), (67, 24790820), (76, 21855065), (95, 17484052), (134, 12395410), (190, 8742026), (268, 6197705), (335, 4958164), (380, 4371013), (670, 2479082), (1273, 1304780), (1340, 1239541), (2546, 652390), (5092, 326195), (6365, 260956), (12730, 130478), (25460, 65239)]