80020300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 181988352

約数和(自身を除く): 101968052

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 155, 166, 310, 311, 332, 415, 620, 622, 775, 830, 1244, 1550, 1555, 1660, 2075, 2573, 3100, 3110, 4150, 5146, 6220, 7775, 8300, 9641, 10292, 12865, 15550, 19282, 25730, 25813, 31100, 38564, 48205, 51460, 51626, 64325, 96410, 103252, 128650, 129065, 192820, 241025, 257300, 258130, 482050, 516260, 645325, 800203, 964100, 1290650, 1600406, 2581300, 3200812, 4001015, 8002030, 16004060, 20005075, 40010150, 80020300]

約数ペア:

[(1, 80020300), (2, 40010150), (4, 20005075), (5, 16004060), (10, 8002030), (20, 4001015), (25, 3200812), (31, 2581300), (50, 1600406), (62, 1290650), (83, 964100), (100, 800203), (124, 645325), (155, 516260), (166, 482050), (310, 258130), (311, 257300), (332, 241025), (415, 192820), (620, 129065), (622, 128650), (775, 103252), (830, 96410), (1244, 64325), (1550, 51626), (1555, 51460), (1660, 48205), (2075, 38564), (2573, 31100), (3100, 25813), (3110, 25730), (4150, 19282), (5146, 15550), (6220, 12865), (7775, 10292), (8300, 9641)]