83281120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40039}}^1$

素因数の和:40067

約数の個数: 48

約数和(自身を含む): 211891680

約数和(自身を除く): 128610560

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, 40039, 80078, 160156, 200195, 320312, 400390, 520507, 640624, 800780, 1041014, 1281248, 1601560, 2082028, 2602535, 3203120, 4164056, 5205070, 6406240, 8328112, 10410140, 16656224, 20820280, 41640560, 83281120]

約数ペア:

[(1, 83281120), (2, 41640560), (4, 20820280), (5, 16656224), (8, 10410140), (10, 8328112), (13, 6406240), (16, 5205070), (20, 4164056), (26, 3203120), (32, 2602535), (40, 2082028), (52, 1601560), (65, 1281248), (80, 1041014), (104, 800780), (130, 640624), (160, 520507), (208, 400390), (260, 320312), (416, 200195), (520, 160156), (1040, 80078), (2080, 40039)]