87003920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13103}}^1$

素因数の和:13199

約数の個数: 40

約数和(自身を含む): 204736896

約数和(自身を除く): 117732976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 13103, 26206, 52412, 65515, 104824, 131030, 209648, 262060, 524120, 1048240, 1087549, 2175098, 4350196, 5437745, 8700392, 10875490, 17400784, 21750980, 43501960, 87003920]

約数ペア:

[(1, 87003920), (2, 43501960), (4, 21750980), (5, 17400784), (8, 10875490), (10, 8700392), (16, 5437745), (20, 4350196), (40, 2175098), (80, 1087549), (83, 1048240), (166, 524120), (332, 262060), (415, 209648), (664, 131030), (830, 104824), (1328, 65515), (1660, 52412), (3320, 26206), (6640, 13103)]