39437680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 96422400

約数和(自身を除く): 56984720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 191, 232, 290, 356, 382, 445, 464, 580, 712, 764, 890, 955, 1160, 1424, 1528, 1780, 1910, 2320, 2581, 3056, 3560, 3820, 5162, 5539, 7120, 7640, 10324, 11078, 12905, 15280, 16999, 20648, 22156, 25810, 27695, 33998, 41296, 44312, 51620, 55390, 67996, 84995, 88624, 103240, 110780, 135992, 169990, 206480, 221560, 271984, 339980, 443120, 492971, 679960, 985942, 1359920, 1971884, 2464855, 3943768, 4929710, 7887536, 9859420, 19718840, 39437680]

約数ペア:

[(1, 39437680), (2, 19718840), (4, 9859420), (5, 7887536), (8, 4929710), (10, 3943768), (16, 2464855), (20, 1971884), (29, 1359920), (40, 985942), (58, 679960), (80, 492971), (89, 443120), (116, 339980), (145, 271984), (178, 221560), (191, 206480), (232, 169990), (290, 135992), (356, 110780), (382, 103240), (445, 88624), (464, 84995), (580, 67996), (712, 55390), (764, 51620), (890, 44312), (955, 41296), (1160, 33998), (1424, 27695), (1528, 25810), (1780, 22156), (1910, 20648), (2320, 16999), (2581, 15280), (3056, 12905), (3560, 11078), (3820, 10324), (5162, 7640), (5539, 7120)]