31766320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12809}}^1$

素因数の和:12853

約数の個数: 40

約数和(自身を含む): 76245120

約数和(自身を除く): 44478800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12809, 25618, 51236, 64045, 102472, 128090, 204944, 256180, 397079, 512360, 794158, 1024720, 1588316, 1985395, 3176632, 3970790, 6353264, 7941580, 15883160, 31766320]

約数ペア:

[(1, 31766320), (2, 15883160), (4, 7941580), (5, 6353264), (8, 3970790), (10, 3176632), (16, 1985395), (20, 1588316), (31, 1024720), (40, 794158), (62, 512360), (80, 397079), (124, 256180), (155, 204944), (248, 128090), (310, 102472), (496, 64045), (620, 51236), (1240, 25618), (2480, 12809)]