25980420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25471}}^1$

素因数の和:25500

約数の個数: 48

約数和(自身を含む): 77027328

約数和(自身を除く): 51046908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 25471, 50942, 76413, 101884, 127355, 152826, 254710, 305652, 382065, 433007, 509420, 764130, 866014, 1299021, 1528260, 1732028, 2165035, 2598042, 4330070, 5196084, 6495105, 8660140, 12990210, 25980420]

約数ペア:

[(1, 25980420), (2, 12990210), (3, 8660140), (4, 6495105), (5, 5196084), (6, 4330070), (10, 2598042), (12, 2165035), (15, 1732028), (17, 1528260), (20, 1299021), (30, 866014), (34, 764130), (51, 509420), (60, 433007), (68, 382065), (85, 305652), (102, 254710), (170, 152826), (204, 127355), (255, 101884), (340, 76413), (510, 50942), (1020, 25471)]