8347040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4041

約数の個数: 48

約数和(自身を含む): 21242088

約数和(自身を除く): 12895048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 4013, 8026, 16052, 20065, 32104, 40130, 52169, 64208, 80260, 104338, 128416, 160520, 208676, 260845, 321040, 417352, 521690, 642080, 834704, 1043380, 1669408, 2086760, 4173520, 8347040]

約数ペア:

[(1, 8347040), (2, 4173520), (4, 2086760), (5, 1669408), (8, 1043380), (10, 834704), (13, 642080), (16, 521690), (20, 417352), (26, 321040), (32, 260845), (40, 208676), (52, 160520), (65, 128416), (80, 104338), (104, 80260), (130, 64208), (160, 52169), (208, 40130), (260, 32104), (416, 20065), (520, 16052), (1040, 8026), (2080, 4013)]