31295120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12619}}^1$

素因数の和:12663

約数の個数: 40

約数和(自身を含む): 75114240

約数和(自身を除く): 43819120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12619, 25238, 50476, 63095, 100952, 126190, 201904, 252380, 391189, 504760, 782378, 1009520, 1564756, 1955945, 3129512, 3911890, 6259024, 7823780, 15647560, 31295120]

約数ペア:

[(1, 31295120), (2, 15647560), (4, 7823780), (5, 6259024), (8, 3911890), (10, 3129512), (16, 1955945), (20, 1564756), (31, 1009520), (40, 782378), (62, 504760), (80, 391189), (124, 252380), (155, 201904), (248, 126190), (310, 100952), (496, 63095), (620, 50476), (1240, 25238), (2480, 12619)]