80037040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 195701760

約数和(自身を除く): 115664720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 547, 590, 620, 944, 1094, 1180, 1240, 1829, 2188, 2360, 2480, 2735, 3658, 4376, 4720, 5470, 7316, 8752, 9145, 10940, 14632, 16957, 18290, 21880, 29264, 32273, 33914, 36580, 43760, 64546, 67828, 73160, 84785, 129092, 135656, 146320, 161365, 169570, 258184, 271312, 322730, 339140, 516368, 645460, 678280, 1000463, 1290920, 1356560, 2000926, 2581840, 4001852, 5002315, 8003704, 10004630, 16007408, 20009260, 40018520, 80037040]

約数ペア:

[(1, 80037040), (2, 40018520), (4, 20009260), (5, 16007408), (8, 10004630), (10, 8003704), (16, 5002315), (20, 4001852), (31, 2581840), (40, 2000926), (59, 1356560), (62, 1290920), (80, 1000463), (118, 678280), (124, 645460), (155, 516368), (236, 339140), (248, 322730), (295, 271312), (310, 258184), (472, 169570), (496, 161365), (547, 146320), (590, 135656), (620, 129092), (944, 84785), (1094, 73160), (1180, 67828), (1240, 64546), (1829, 43760), (2188, 36580), (2360, 33914), (2480, 32273), (2735, 29264), (3658, 21880), (4376, 18290), (4720, 16957), (5470, 14632), (7316, 10940), (8752, 9145)]