13933840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 34819200

約数和(自身を除く): 20885360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 103, 152, 178, 190, 206, 304, 356, 380, 412, 445, 515, 712, 760, 824, 890, 1030, 1424, 1520, 1648, 1691, 1780, 1957, 2060, 3382, 3560, 3914, 4120, 6764, 7120, 7828, 8240, 8455, 9167, 9785, 13528, 15656, 16910, 18334, 19570, 27056, 31312, 33820, 36668, 39140, 45835, 67640, 73336, 78280, 91670, 135280, 146672, 156560, 174173, 183340, 348346, 366680, 696692, 733360, 870865, 1393384, 1741730, 2786768, 3483460, 6966920, 13933840]

約数ペア:

[(1, 13933840), (2, 6966920), (4, 3483460), (5, 2786768), (8, 1741730), (10, 1393384), (16, 870865), (19, 733360), (20, 696692), (38, 366680), (40, 348346), (76, 183340), (80, 174173), (89, 156560), (95, 146672), (103, 135280), (152, 91670), (178, 78280), (190, 73336), (206, 67640), (304, 45835), (356, 39140), (380, 36668), (412, 33820), (445, 31312), (515, 27056), (712, 19570), (760, 18334), (824, 16910), (890, 15656), (1030, 13528), (1424, 9785), (1520, 9167), (1648, 8455), (1691, 8240), (1780, 7828), (1957, 7120), (2060, 6764), (3382, 4120), (3560, 3914)]