16861280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6199}}^1$

素因数の和:6231

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 25323520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6199, 12398, 24796, 30995, 49592, 61990, 99184, 105383, 123980, 198368, 210766, 247960, 421532, 495920, 526915, 843064, 991840, 1053830, 1686128, 2107660, 3372256, 4215320, 8430640, 16861280]

約数ペア:

[(1, 16861280), (2, 8430640), (4, 4215320), (5, 3372256), (8, 2107660), (10, 1686128), (16, 1053830), (17, 991840), (20, 843064), (32, 526915), (34, 495920), (40, 421532), (68, 247960), (80, 210766), (85, 198368), (136, 123980), (160, 105383), (170, 99184), (272, 61990), (340, 49592), (544, 30995), (680, 24796), (1360, 12398), (2720, 6199)]