27872720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11239}}^1$

素因数の和:11283

約数の個数: 40

約数和(自身を含む): 66900480

約数和(自身を除く): 39027760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11239, 22478, 44956, 56195, 89912, 112390, 179824, 224780, 348409, 449560, 696818, 899120, 1393636, 1742045, 2787272, 3484090, 5574544, 6968180, 13936360, 27872720]

約数ペア:

[(1, 27872720), (2, 13936360), (4, 6968180), (5, 5574544), (8, 3484090), (10, 2787272), (16, 1742045), (20, 1393636), (31, 899120), (40, 696818), (62, 449560), (80, 348409), (124, 224780), (155, 179824), (248, 112390), (310, 89912), (496, 56195), (620, 44956), (1240, 22478), (2480, 11239)]