30915950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47563}}^1$

素因数の和:47588

約数の個数: 24

約数和(自身を含む): 61928328

約数和(自身を除く): 31012378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 47563, 95126, 237815, 475630, 618319, 1189075, 1236638, 2378150, 3091595, 6183190, 15457975, 30915950]

約数ペア:

[(1, 30915950), (2, 15457975), (5, 6183190), (10, 3091595), (13, 2378150), (25, 1236638), (26, 1189075), (50, 618319), (65, 475630), (130, 237815), (325, 95126), (650, 47563)]