16647280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16007}}^1$

素因数の和:16033

約数の個数: 40

約数和(自身を含む): 41684832

約数和(自身を除く): 25037552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16007, 32014, 64028, 80035, 128056, 160070, 208091, 256112, 320140, 416182, 640280, 832364, 1040455, 1280560, 1664728, 2080910, 3329456, 4161820, 8323640, 16647280]

約数ペア:

[(1, 16647280), (2, 8323640), (4, 4161820), (5, 3329456), (8, 2080910), (10, 1664728), (13, 1280560), (16, 1040455), (20, 832364), (26, 640280), (40, 416182), (52, 320140), (65, 256112), (80, 208091), (104, 160070), (130, 128056), (208, 80035), (260, 64028), (520, 32014), (1040, 16007)]