7943440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 19070208

約数和(自身を除く): 11126768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3203, 6406, 12812, 16015, 25624, 32030, 51248, 64060, 99293, 128120, 198586, 256240, 397172, 496465, 794344, 992930, 1588688, 1985860, 3971720, 7943440]

約数ペア:

[(1, 7943440), (2, 3971720), (4, 1985860), (5, 1588688), (8, 992930), (10, 794344), (16, 496465), (20, 397172), (31, 256240), (40, 198586), (62, 128120), (80, 99293), (124, 64060), (155, 51248), (248, 32030), (310, 25624), (496, 16015), (620, 12812), (1240, 6406), (2480, 3203)]