80091080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6199}}^1$

素因数の和:6246

約数の個数: 64

約数和(自身を含む): 200880000

約数和(自身を除く): 120788920

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6199, 6460, 12398, 12920, 24796, 30995, 49592, 61990, 105383, 117781, 123980, 210766, 235562, 247960, 421532, 471124, 526915, 588905, 843064, 942248, 1053830, 1177810, 2002277, 2107660, 2355620, 4004554, 4215320, 4711240, 8009108, 10011385, 16018216, 20022770, 40045540, 80091080]

約数ペア:

[(1, 80091080), (2, 40045540), (4, 20022770), (5, 16018216), (8, 10011385), (10, 8009108), (17, 4711240), (19, 4215320), (20, 4004554), (34, 2355620), (38, 2107660), (40, 2002277), (68, 1177810), (76, 1053830), (85, 942248), (95, 843064), (136, 588905), (152, 526915), (170, 471124), (190, 421532), (323, 247960), (340, 235562), (380, 210766), (646, 123980), (680, 117781), (760, 105383), (1292, 61990), (1615, 49592), (2584, 30995), (3230, 24796), (6199, 12920), (6460, 12398)]