99916720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40289}}^1$

素因数の和:40333

約数の個数: 40

約数和(自身を含む): 239806080

約数和(自身を除く): 139889360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 40289, 80578, 161156, 201445, 322312, 402890, 644624, 805780, 1248959, 1611560, 2497918, 3223120, 4995836, 6244795, 9991672, 12489590, 19983344, 24979180, 49958360, 99916720]

約数ペア:

[(1, 99916720), (2, 49958360), (4, 24979180), (5, 19983344), (8, 12489590), (10, 9991672), (16, 6244795), (20, 4995836), (31, 3223120), (40, 2497918), (62, 1611560), (80, 1248959), (124, 805780), (155, 644624), (248, 402890), (310, 322312), (496, 201445), (620, 161156), (1240, 80578), (2480, 40289)]