65543440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9871}}^1$

素因数の和:9967

約数の個数: 40

約数和(自身を含む): 154240128

約数和(自身を除く): 88696688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 9871, 19742, 39484, 49355, 78968, 98710, 157936, 197420, 394840, 789680, 819293, 1638586, 3277172, 4096465, 6554344, 8192930, 13108688, 16385860, 32771720, 65543440]

約数ペア:

[(1, 65543440), (2, 32771720), (4, 16385860), (5, 13108688), (8, 8192930), (10, 6554344), (16, 4096465), (20, 3277172), (40, 1638586), (80, 819293), (83, 789680), (166, 394840), (332, 197420), (415, 157936), (664, 98710), (830, 78968), (1328, 49355), (1660, 39484), (3320, 19742), (6640, 9871)]