40535720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 95418000

約数和(自身を除く): 54882280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 449, 488, 610, 740, 898, 1220, 1480, 1796, 2245, 2257, 2440, 3592, 4490, 4514, 8980, 9028, 11285, 16613, 17960, 18056, 22570, 27389, 33226, 45140, 54778, 66452, 83065, 90280, 109556, 132904, 136945, 166130, 219112, 273890, 332260, 547780, 664520, 1013393, 1095560, 2026786, 4053572, 5066965, 8107144, 10133930, 20267860, 40535720]

約数ペア:

[(1, 40535720), (2, 20267860), (4, 10133930), (5, 8107144), (8, 5066965), (10, 4053572), (20, 2026786), (37, 1095560), (40, 1013393), (61, 664520), (74, 547780), (122, 332260), (148, 273890), (185, 219112), (244, 166130), (296, 136945), (305, 132904), (370, 109556), (449, 90280), (488, 83065), (610, 66452), (740, 54778), (898, 45140), (1220, 33226), (1480, 27389), (1796, 22570), (2245, 18056), (2257, 17960), (2440, 16613), (3592, 11285), (4490, 9028), (4514, 8980)]