55141880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 133086240

約数和(自身を除く): 77944360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 977, 1411, 1660, 1954, 2822, 3320, 3908, 4885, 5644, 7055, 7816, 9770, 11288, 14110, 16609, 19540, 28220, 33218, 39080, 56440, 66436, 81091, 83045, 132872, 162182, 166090, 324364, 332180, 405455, 648728, 664360, 810910, 1378547, 1621820, 2757094, 3243640, 5514188, 6892735, 11028376, 13785470, 27570940, 55141880]

約数ペア:

[(1, 55141880), (2, 27570940), (4, 13785470), (5, 11028376), (8, 6892735), (10, 5514188), (17, 3243640), (20, 2757094), (34, 1621820), (40, 1378547), (68, 810910), (83, 664360), (85, 648728), (136, 405455), (166, 332180), (170, 324364), (332, 166090), (340, 162182), (415, 132872), (664, 83045), (680, 81091), (830, 66436), (977, 56440), (1411, 39080), (1660, 33218), (1954, 28220), (2822, 19540), (3320, 16609), (3908, 14110), (4885, 11288), (5644, 9770), (7055, 7816)]