5219785640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{361481}}^1$

素因数の和:361530

約数の個数: 48

約数和(自身を含む): 12395217780

約数和(自身を除く): 7175432140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 361481, 722962, 1445924, 1807405, 2891848, 3614810, 6868139, 7229620, 13736278, 14459240, 27472556, 34340695, 54945112, 68681390, 130494641, 137362780, 260989282, 274725560, 521978564, 652473205, 1043957128, 1304946410, 2609892820, 5219785640]

約数ペア:

[(1, 5219785640), (2, 2609892820), (4, 1304946410), (5, 1043957128), (8, 652473205), (10, 521978564), (19, 274725560), (20, 260989282), (38, 137362780), (40, 130494641), (76, 68681390), (95, 54945112), (152, 34340695), (190, 27472556), (361, 14459240), (380, 13736278), (722, 7229620), (760, 6868139), (1444, 3614810), (1805, 2891848), (2888, 1807405), (3610, 1445924), (7220, 722962), (14440, 361481)]