16216878640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{106187}}^1$

素因数の和:106306

約数の個数: 80

約数和(自身を含む): 39817951488

約数和(自身を除く): 23601072848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 415, 460, 664, 830, 920, 1328, 1660, 1840, 1909, 3320, 3818, 6640, 7636, 9545, 15272, 19090, 30544, 38180, 76360, 106187, 152720, 212374, 424748, 530935, 849496, 1061870, 1698992, 2123740, 2442301, 4247480, 4884602, 8494960, 8813521, 9769204, 12211505, 17627042, 19538408, 24423010, 35254084, 39076816, 44067605, 48846020, 70508168, 88135210, 97692040, 141016336, 176270420, 195384080, 202710983, 352540840, 405421966, 705081680, 810843932, 1013554915, 1621687864, 2027109830, 3243375728, 4054219660, 8108439320, 16216878640]

約数ペア:

[(1, 16216878640), (2, 8108439320), (4, 4054219660), (5, 3243375728), (8, 2027109830), (10, 1621687864), (16, 1013554915), (20, 810843932), (23, 705081680), (40, 405421966), (46, 352540840), (80, 202710983), (83, 195384080), (92, 176270420), (115, 141016336), (166, 97692040), (184, 88135210), (230, 70508168), (332, 48846020), (368, 44067605), (415, 39076816), (460, 35254084), (664, 24423010), (830, 19538408), (920, 17627042), (1328, 12211505), (1660, 9769204), (1840, 8813521), (1909, 8494960), (3320, 4884602), (3818, 4247480), (6640, 2442301), (7636, 2123740), (9545, 1698992), (15272, 1061870), (19090, 849496), (30544, 530935), (38180, 424748), (76360, 212374), (106187, 152720)]