80033860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 91426940

約数列:

[1, 2, 4, 5, 10, 20, 107, 149, 214, 251, 298, 428, 502, 535, 596, 745, 1004, 1070, 1255, 1490, 2140, 2510, 2980, 5020, 15943, 26857, 31886, 37399, 53714, 63772, 74798, 79715, 107428, 134285, 149596, 159430, 186995, 268570, 318860, 373990, 537140, 747980, 4001693, 8003386, 16006772, 20008465, 40016930, 80033860]

約数ペア:

[(1, 80033860), (2, 40016930), (4, 20008465), (5, 16006772), (10, 8003386), (20, 4001693), (107, 747980), (149, 537140), (214, 373990), (251, 318860), (298, 268570), (428, 186995), (502, 159430), (535, 149596), (596, 134285), (745, 107428), (1004, 79715), (1070, 74798), (1255, 63772), (1490, 53714), (2140, 37399), (2510, 31886), (2980, 26857), (5020, 15943)]