16615040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 64

約数和(自身を含む): 42797160

約数和(自身を除く): 26182120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 1997, 2080, 3994, 4160, 7988, 8320, 9985, 15976, 19970, 25961, 31952, 39940, 51922, 63904, 79880, 103844, 127808, 129805, 159760, 207688, 255616, 259610, 319520, 415376, 519220, 639040, 830752, 1038440, 1278080, 1661504, 2076880, 3323008, 4153760, 8307520, 16615040]

約数ペア:

[(1, 16615040), (2, 8307520), (4, 4153760), (5, 3323008), (8, 2076880), (10, 1661504), (13, 1278080), (16, 1038440), (20, 830752), (26, 639040), (32, 519220), (40, 415376), (52, 319520), (64, 259610), (65, 255616), (80, 207688), (104, 159760), (128, 129805), (130, 127808), (160, 103844), (208, 79880), (260, 63904), (320, 51922), (416, 39940), (520, 31952), (640, 25961), (832, 19970), (1040, 15976), (1664, 9985), (1997, 8320), (2080, 7988), (3994, 4160)]