19649200

素因数分解:

$2^4\times 5^2\times {\mathrm{49123}}^1$

素因数の和:49141

約数の個数: 30

約数和(自身を含む): 47208164

約数和(自身を除く): 27558964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49123, 98246, 196492, 245615, 392984, 491230, 785968, 982460, 1228075, 1964920, 2456150, 3929840, 4912300, 9824600, 19649200]

約数ペア:

[(1, 19649200), (2, 9824600), (4, 4912300), (5, 3929840), (8, 2456150), (10, 1964920), (16, 1228075), (20, 982460), (25, 785968), (40, 491230), (50, 392984), (80, 245615), (100, 196492), (200, 98246), (400, 49123)]