89478820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2957}}^1$

素因数の和:3072

約数の個数: 48

約数和(自身を含む): 201262320

約数和(自身を除く): 111783500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2957, 3026, 5914, 6052, 7565, 11828, 14785, 15130, 29570, 30260, 50269, 59140, 100538, 201076, 251345, 263173, 502690, 526346, 1005380, 1052692, 1315865, 2631730, 4473941, 5263460, 8947882, 17895764, 22369705, 44739410, 89478820]

約数ペア:

[(1, 89478820), (2, 44739410), (4, 22369705), (5, 17895764), (10, 8947882), (17, 5263460), (20, 4473941), (34, 2631730), (68, 1315865), (85, 1052692), (89, 1005380), (170, 526346), (178, 502690), (340, 263173), (356, 251345), (445, 201076), (890, 100538), (1513, 59140), (1780, 50269), (2957, 30260), (3026, 29570), (5914, 15130), (6052, 14785), (7565, 11828)]