101441440

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1597}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 240409512

約数和(自身を除く): 138968072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1597, 1985, 3176, 3194, 3970, 6352, 6388, 7940, 7985, 12704, 12776, 15880, 15970, 25552, 31760, 31940, 51104, 63520, 63880, 127760, 255520, 634009, 1268018, 2536036, 3170045, 5072072, 6340090, 10144144, 12680180, 20288288, 25360360, 50720720, 101441440]

約数ペア:

[(1, 101441440), (2, 50720720), (4, 25360360), (5, 20288288), (8, 12680180), (10, 10144144), (16, 6340090), (20, 5072072), (32, 3170045), (40, 2536036), (80, 1268018), (160, 634009), (397, 255520), (794, 127760), (1588, 63880), (1597, 63520), (1985, 51104), (3176, 31940), (3194, 31760), (3970, 25552), (6352, 15970), (6388, 15880), (7940, 12776), (7985, 12704)]