15693823780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{65071}}^1$

素因数の和:65500

約数の個数: 48

約数和(自身を含む): 34108139520

約数和(自身を除く): 18414315740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 389, 620, 778, 1556, 1945, 3890, 7780, 12059, 24118, 48236, 60295, 65071, 120590, 130142, 241180, 260284, 325355, 650710, 1301420, 2017201, 4034402, 8068804, 10086005, 20172010, 25312619, 40344020, 50625238, 101250476, 126563095, 253126190, 506252380, 784691189, 1569382378, 3138764756, 3923455945, 7846911890, 15693823780]

約数ペア:

[(1, 15693823780), (2, 7846911890), (4, 3923455945), (5, 3138764756), (10, 1569382378), (20, 784691189), (31, 506252380), (62, 253126190), (124, 126563095), (155, 101250476), (310, 50625238), (389, 40344020), (620, 25312619), (778, 20172010), (1556, 10086005), (1945, 8068804), (3890, 4034402), (7780, 2017201), (12059, 1301420), (24118, 650710), (48236, 325355), (60295, 260284), (65071, 241180), (120590, 130142)]