2427440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1629

約数の個数: 40

約数和(自身を含む): 5944560

約数和(自身を除く): 3517120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1597, 3194, 6388, 7985, 12776, 15970, 25552, 30343, 31940, 60686, 63880, 121372, 127760, 151715, 242744, 303430, 485488, 606860, 1213720, 2427440]

約数ペア:

[(1, 2427440), (2, 1213720), (4, 606860), (5, 485488), (8, 303430), (10, 242744), (16, 151715), (19, 127760), (20, 121372), (38, 63880), (40, 60686), (76, 31940), (80, 30343), (95, 25552), (152, 15970), (190, 12776), (304, 7985), (380, 6388), (760, 3194), (1520, 1597)]